| 1986 | ATL | Atlanta Braves | MLB-NL | MLB | team page | 161 | 72 | 89 | 23.5 | 615 | 719 | -104 | 6 | 10 | Chuck Tanner | Atlanta-Fulton County Stadium | dnq |
| 1986 | ATL | Richmond Braves | IL | AAA | team page | 140 | 80 | 60 | -- | 655 | 597 | 58 | 1 | 1 | Roy Majtyka | The Diamond | League Champions |
| 1986 | ATL | Greenville Braves | Sou | AA | team page | 144 | 73 | 71 | 2.5 | 670 | 769 | -99 | 2 | 4 | Jim Beauchamp | Greenville Municipal Stadium | dnq |
| 1986 | ATL | Durham Bulls | Caro | A+ | team page | 140 | 72 | 68 | 11.0 | 771 | 738 | 33 | 2 | 4 | Buddy Bailey | Durham Athletic Park | dnq |
| 1986 | ATL | Sumter Braves | SAL | A | team page | 137 | 77 | 60 | 11.5 | 731 | 667 | 64 | 2 | 3 | Brian Snitker | Riley Park | dnq |
| 1986 | ATL | Gulf Coast Braves | GCL | Rk | team page | 63 | 29 | 34 | 5.0 | 279 | 267 | 12 | 4 | 9 | Pedro Gonzalez | West Palm Beach Municipal Stadium | dnq |
| 1986 | ATL | Idaho Falls Braves | Pio | Rk | team page | 70 | 32 | 38 | 13.0 | 414 | 466 | -52 | 4 | 4 | Rod Gilbreath | McDermott Field | dnq |
| 1986 | ATL | Pulaski Braves | App | Rk | team page | 66 | 41 | 25 | -- | 413 | 337 | 76 | 1 | 2 | Grady Little | Calfee Park | League Champions |
| 1986 | BAL | Baltimore Orioles | MLB-AL | MLB | team page | 162 | 73 | 89 | 22.5 | 708 | 760 | -52 | 7 | 11 | Earl Weaver | Memorial Stadium | dnq |
| 1986 | BAL | Rochester Red Wings | IL | AAA | team page | 138 | 75 | 63 | 4.0 | 619 | 600 | 19 | 2 | 2 | John Hart | Silver Stadium | Lost in Finals |
| 1986 | BAL | Charlotte O's | Sou | AA | team page | 144 | 71 | 73 | 4.5 | 791 | 789 | 2 | 3 | 6 | Greg Biagini | Crockett Park | dnq |
| 1986 | BAL | Hagerstown Suns | Caro | A+ | team page | 139 | 91 | 48 | -- | 842 | 640 | 202 | 1 | 1 | Bob Molinaro | Municipal Stadium | Lost in Finals |
| 1986 | BAL | Newark Orioles | NYPL | A- | team page | 78 | 41 | 37 | 4.0 | 321 | 337 | -16 | 2 | 4 | Art Mazmanian | Colburn Park | Lost in Finals |
| 1986 | BAL | Bluefield Orioles | App | Rk | team page | 68 | 39 | 29 | 3.0 | 379 | 348 | 31 | 2 | 3 | Glenn Gulliver | Bowen Field at Peters Park | dnq |
| 1986 | BOS | Boston Red Sox | MLB-AL | MLB | team page | 161 | 95 | 66 | -- | 794 | 696 | 98 | 1 | 1 | John McNamara | Fenway Park | Lost World Series (Mets) |
| 1986 | BOS | Pawtucket Red Sox | IL | AAA | team page | 139 | 74 | 65 | 5.5 | 633 | 598 | 35 | 3 | 3 | Edward Nottle | McCoy Stadium | Lost in Semi-Finals |
| 1986 | BOS | New Britain Red Sox | East | AA | team page | 137 | 64 | 73 | 13.5 | 507 | 526 | -19 | 7 | 7 | Tony Torchia | Beehive Field | dnq |
| 1986 | BOS | Winter Haven Red Sox | FSL | A+ | team page | 127 | 80 | 47 | -- | 640 | 498 | 142 | 1 | 2 | | Chain of Lakes Park | dnq |
| 1986 | BOS | Greensboro Hornets | SAL | A | team page | 138 | 75 | 63 | 14.0 | 810 | 767 | 43 | 3 | 5 | Doug Camilli | World War Memorial Stadium | dnq |
| 1986 | BOS | Elmira Pioneers | NYPL | A- | team page | 75 | 39 | 36 | 4.5 | 298 | 319 | -21 | 4 | 5 | Bill Limoncelli | Dunn Field | dnq |
| 1986 | CAL | California Angels | MLB-AL | MLB | team page | 162 | 92 | 70 | -- | 786 | 684 | 102 | 1 | 2 | Gene Mauch | Anaheim Stadium | Lost ALCS (Red Sox) |
| 1986 | CAL | Edmonton Trappers | PCL | AAA | team page | 141 | 68 | 73 | 18.5 | 757 | 740 | 17 | 3 | 7 | Winston Llenas | John Ducey Park | dnq |
| 1986 | CAL | Midland Angels | Tex | AA | team page | 133 | 62 | 71 | 22.0 | 778 | 746 | 32 | 3 | 6 | Joe Maddon | Angels Stadium | dnq |
| 1986 | CAL | Palm Springs Angels | Calif | A+ | team page | 142 | 87 | 55 | -- | 813 | 650 | 163 | 1 | 1 | Tom Kotchman | Palm Springs Stadium | Lost in Semi-Finals |
| 1986 | CAL | Quad Cities Angels | Midw | A | team page | 140 | 62 | 78 | 25.0 | 589 | 649 | -60 | 4 | 10 | Bill Lachemann | John O'Donnell Stadium | dnq |
| 1986 | CAL | Salem Angels | Nwst | A- | team page | 74 | 38 | 36 | 7.0 | 409 | 439 | -30 | 3 | 6 | Bruce Hines | Chemeketa Community College Field | dnq |
| 1986 | CHN | Chicago Cubs | MLB-NL | MLB | team page | 160 | 70 | 90 | 37.0 | 680 | 781 | -101 | 5 | 11 | Gene Michael, Jim Frey, John Vukovich | Wrigley Field | dnq |
| 1986 | CHN | Iowa Cubs | Amer | AAA | team page | 142 | 74 | 68 | 2.0 | 647 | 667 | -20 | 2 | 3 | Larry Cox | Sec Taylor Stadium | dnq |
| 1986 | CHN | Pittsfield Cubs | East | AA | team page | 140 | 76 | 64 | 3.0 | 626 | 535 | 91 | 3 | 3 | Tom Spencer | Wahconah Park | Lost in Semi-Finals |
| 1986 | CHN | Winston-Salem Spirits | Caro | A+ | team page | 138 | 82 | 56 | -- | 748 | 522 | 226 | 1 | 2 | Jim Essian | Ernie Shore Field | League Champions |
| 1986 | CHN | Peoria Chiefs | Midw | A | team page | 140 | 77 | 63 | 10.0 | 654 | 619 | 35 | 2 | 4 | Pete Mackanin | Meinen Field | Lost in Finals |
| 1986 | CHN | Geneva Cubs | NYPL | A- | team page | 78 | 40 | 38 | 5.0 | 320 | 303 | 17 | 3 | 6 | Jay Loviglio | McDonough Park | dnq |
| 1986 | CHN | Wytheville Cubs | App | Rk | team page | 68 | 22 | 46 | 20.0 | 312 | 399 | -87 | 4 | 7 | Tony Franklin | Withers Field | dnq |
| 1986 | CHA | Chicago White Sox | MLB-AL | MLB | team page | 162 | 72 | 90 | 20.0 | 644 | 699 | -55 | 5 | 12 | Jim Fregosi, Tony La Russa, Doug Rader | Comiskey Park | dnq |
| 1986 | CHA | Buffalo Bisons | Amer | AAA | team page | 142 | 71 | 71 | 9.0 | 731 | 645 | 86 | 2 | 5 | Jim Marshall | War Memorial Stadium | dnq |
| 1986 | CHA | Birmingham Barons | Sou | AA | team page | 143 | 70 | 73 | 9.0 | 794 | 786 | 8 | 3 | 8 | Bob Bailey, Tom Haller | Hoover Metropolitan Stadium | dnq |
| 1986 | CHA | Peninsula White Sox | Caro | A+ | team page | 134 | 60 | 74 | 20.0 | 655 | 711 | -56 | 4 | 6 | Bob Bailey, Duke Sims | War Memorial Stadium | dnq |
| 1986 | CHA | Appleton Foxes | Midw | A | team page | 139 | 56 | 83 | 29.5 | 525 | 735 | -210 | 3 | 11 | Rico Petrocelli, Duke Sims | Goodland Field | dnq |
| 1986 | CHA | Gulf Coast White Sox | GCL | Rk | team page | 63 | 31 | 32 | 3.0 | 263 | 267 | -4 | 4 | 7 | Steve Dillard | Payne Park | dnq |
| 1986 | CIN | Cincinnati Reds | MLB-NL | MLB | team page | 162 | 86 | 76 | 10.0 | 732 | 717 | 15 | 2 | 4 | Pete Rose | Riverfront Stadium | dnq |
| 1986 | CIN | Denver Zephyrs | Amer | AAA | team page | 142 | 76 | 66 | -- | 693 | 672 | 21 | 1 | 2 | Jack Lind | Mile High Stadium | Lost in Finals |
| 1986 | CIN | Vermont Reds | East | AA | team page | 139 | 77 | 62 | 1.5 | 579 | 540 | 39 | 2 | 2 | Jay Ward | Centennial Field | League Champions |
| 1986 | CIN | Tampa Tarpons | FSL | A+ | team page | 136 | 79 | 57 | 9.0 | 640 | 548 | 92 | 2 | 4 | Marc Bombard | Al Lopez Field | dnq |
| 1986 | CIN | Cedar Rapids Reds | Midw | A | team page | 140 | 70 | 70 | 8.0 | 597 | 578 | 19 | 3 | 7 | Gene Dusan, Paul Kirsch | Veterans Field | dnq |
| 1986 | CIN | Billings Mustangs | Pio | Rk | team page | 70 | 31 | 39 | 14.0 | 410 | 423 | -13 | 5 | 5 | Jeff Cox | Cobb Field | dnq |
| 1986 | CIN | Gulf Coast Reds | GCL | Rk | team page | 62 | 34 | 28 | 0.5 | 251 | 243 | 8 | 2 | 1 | Sam Mejias | Sarasota | Lost in Finals |
| 1986 | CLE | Cleveland Indians | MLB-AL | MLB | team page | 162 | 84 | 78 | 11.5 | 831 | 841 | -10 | 5 | 7 | Pat Corrales | Cleveland Stadium | dnq |
| 1986 | CLE | Maine Guides | IL | AAA | team page | 140 | 58 | 82 | 22.0 | 526 | 592 | -66 | 8 | 8 | Jim Napier | The Ballpark | dnq |
| 1986 | CLE | Waterbury Indians | East | AA | team page | 139 | 66 | 73 | 12.5 | 608 | 617 | -9 | 5 | 5 | Orlando Gomez | Municipal Stadium | dnq |
| 1986 | CLE | Waterloo Indians | Midw | A | team page | 140 | 78 | 62 | -- | 701 | 607 | 94 | 1 | 3 | Steve Swisher | Municipal Stadium | League Champions |
| 1986 | CLE | Batavia Trojans | NYPL | A- | team page | 75 | 30 | 45 | 17.5 | 300 | 297 | 3 | 3 | 9 | Tom Chandler | Dwyer Stadium | dnq |
| 1986 | CLE | Burlington Indians | App | Rk | team page | 67 | 36 | 31 | 5.5 | 353 | 320 | 33 | 3 | 5 | Glenn Adams | Burlington Athletic Stadium | dnq |
| 1986 | DET | Detroit Tigers | MLB-AL | MLB | team page | 162 | 87 | 75 | 8.5 | 798 | 714 | 84 | 3 | 5 | Sparky Anderson | Tiger Stadium | dnq |
| 1986 | DET | Nashville Sounds | Amer | AAA | team page | 142 | 68 | 74 | 12.0 | 637 | 682 | -45 | 3 | 6 | Leon Roberts | Herschel Greer Stadium | dnq |
| 1986 | DET | Glens Falls Tigers | East | AA | team page | 138 | 67 | 71 | 11.0 | 563 | 650 | -87 | 4 | 4 | Bob Schaefer | East Field Stadium | Lost in Semi-Finals |
| 1986 | DET | Lakeland Tigers | FSL | A+ | team page | 133 | 54 | 79 | 29.0 | 532 | 674 | -142 | 3 | 10 | | Joker Marchant Stadium | dnq |
| 1986 | DET | Gastonia Tigers | SAL | A | team page | 139 | 59 | 80 | 30.5 | 661 | 779 | -118 | 4 | 7 | Johnny Lipon | Sims Legion Park | dnq |
| 1986 | DET | Bristol Tigers | App | Rk | team page | 69 | 35 | 34 | 10.5 | 340 | 354 | -14 | 3 | 6 | Tom Gamboa | Devault Memorial Stadium | dnq |
| 1986 | HOU | Houston Astros | MLB-NL | MLB | team page | 162 | 96 | 66 | -- | 654 | 569 | 85 | 1 | 2 | Hal Lanier | Astrodome | Lost NLCS (Mets) |
| 1986 | HOU | Tucson Toros | PCL | AAA | team page | 143 | 71 | 72 | 10.5 | 666 | 729 | -63 | 3 | 5 | Carlos Alfonso | Hi Corbett Field | dnq |
| 1986 | HOU | Columbus Astros | Sou | AA | team page | 140 | 70 | 70 | 3.5 | 725 | 698 | 27 | 4 | 5 | Dave Cripe, Gary Tuck | Golden Park | League Champions |
| 1986 | HOU | Osceola Astros | FSL | A+ | team page | 137 | 59 | 78 | 26.0 | 567 | 623 | -56 | 2 | 9 | | Osceola County Stadium | dnq |
| 1986 | HOU | Asheville Tourists | SAL | A | team page | 140 | 90 | 50 | -- | 870 | 622 | 248 | 1 | 2 | Ken Bolek | McCormick Field | Lost in Finals |
| 1986 | HOU | Auburn Astros | NYPL | A- | team page | 76 | 44 | 32 | -- | 359 | 305 | 54 | 1 | 3 | Keith Bodie | Falcon Park | Lost in Semi-Finals |
| 1986 | HOU | Gulf Coast Astros | GCL | Rk | team page | 63 | 34 | 29 | -- | 299 | 273 | 26 | 1 | 3 | Julio Linares | Sarasota | dnq |
| 1986 | KCA | Kansas City Royals | MLB-AL | MLB | team page | 162 | 76 | 86 | 16.0 | 654 | 673 | -19 | 3 | 10 | Dick Howser, Mike Ferraro | Royals Stadium | dnq |
| 1986 | KCA | Omaha Royals | Amer | AAA | team page | 142 | 72 | 70 | 4.0 | 579 | 557 | 22 | 3 | 4 | John Boles, Frank Funk | Johnny Rosenblatt Stadium | dnq |
| 1986 | KCA | Memphis Chicks | Sou | AA | team page | 144 | 69 | 75 | 10.5 | 706 | 759 | -53 | 4 | 9 | Thomas Jones | Tim McCarver Stadium | dnq |
| 1986 | KCA | Fort Myers Royals | FSL | A+ | team page | 135 | 50 | 85 | 37.5 | 534 | 696 | -162 | 4 | 11 | Bucky Dent | Terry Park Ballfield | dnq |
| 1986 | KCA | Eugene Emeralds | Nwst | A- | team page | 74 | 45 | 29 | -- | 489 | 400 | 89 | 1 | 1 | Ed Napoleon | Civic Stadium | Lost in Finals |
| 1986 | KCA | Gulf Coast Royals | GCL | Rk | team page | 63 | 30 | 33 | 4.0 | 266 | 297 | -31 | 5 | 8 | Luis Silverio | Ed Smith Stadium | dnq |
| 1986 | LAN | Los Angeles Dodgers | MLB-NL | MLB | team page | 162 | 73 | 89 | 23.0 | 638 | 679 | -41 | 5 | 9 | Tommy Lasorda | Dodger Stadium | dnq |
| 1986 | LAN | Albuquerque Dukes | PCL | AAA | team page | 142 | 54 | 88 | 27.0 | 711 | 812 | -101 | 5 | 10 | Terry Collins | Albuquerque Sports Stadium | dnq |
| 1986 | LAN | San Antonio Dodgers | Tex | AA | team page | 135 | 64 | 71 | 21.0 | 577 | 638 | -61 | 2 | 5 | Gary LaRocque | V.J. Keefe Memorial Stadium | dnq |
| 1986 | LAN | Bakersfield Dodgers | Calif | A+ | team page | 142 | 40 | 102 | -- | 551 | 866 | -315 | 0 | 10 | Don LeJohn | Sam Lynn Ballpark | dnq |
| 1986 | LAN | Vero Beach Dodgers | FSL | A+ | team page | 138 | 68 | 70 | 11.5 | 627 | 581 | 46 | 4 | 7 | Stan Wasiak | Holman Stadium | dnq |
| 1986 | LAN | Great Falls Dodgers | Pio | Rk | team page | 70 | 40 | 30 | 5.0 | 432 | 379 | 53 | 2 | 2 | Kevin Kennedy | Legion Field | Lost in Finals |
| 1986 | LAN | Gulf Coast Dodgers | GCL | Rk | team page | 61 | 33 | 28 | -- | 243 | 227 | 16 | 1 | 2 | Joe Alvarez | Holman Stadium | League Champions |
| 1986 | MIL | Milwaukee Brewers | MLB-AL | MLB | team page | 161 | 77 | 84 | 18.0 | 667 | 734 | -67 | 6 | 8 | George Bamberger, Tom Trebelhorn | County Stadium | dnq |
| 1986 | MIL | Vancouver Canadians | PCL | AAA | team page | 138 | 85 | 53 | -- | 719 | 580 | 139 | 1 | 1 | Terry Bevington | Nat Bailey Stadium | Lost in Finals |
| 1986 | MIL | El Paso Diablos | Tex | AA | team page | 135 | 85 | 50 | -- | 930 | 716 | 214 | 1 | 1 | Duffy Dyer | Dudley Field | League Champions |
| 1986 | MIL | Stockton Ports | Calif | A+ | team page | 142 | 83 | 59 | -- | 751 | 640 | 111 | 1 | 2 | Dave Machemer | Billy Hebert Field | League Champions |
| 1986 | MIL | Beloit Brewers | Midw | A | team page | 139 | 70 | 69 | 7.5 | 627 | 597 | 30 | 2 | 6 | Gomer Hodge | Harry C. Pohlman Field | dnq |
| 1986 | MIL | Helena Gold Sox | Pio | Rk | team page | 70 | 38 | 32 | 7.0 | 496 | 449 | 47 | 3 | 3 | Dave Huppert | Kindrick Field | dnq |
| 1986 | MIN | Minnesota Twins | MLB-AL | MLB | team page | 162 | 71 | 91 | 21.0 | 741 | 839 | -98 | 6 | 13 | Ray Miller, Tom Kelly | Hubert H. Humphrey Metrodome | dnq |
| 1986 | MIN | Toledo Mud Hens | IL | AAA | team page | 139 | 62 | 77 | 17.5 | 560 | 623 | -63 | 7 | 6 | Charlie Manuel | Lucas County Stadium | dnq |
| 1986 | MIN | Orlando Twins | Sou | AA | team page | 143 | 70 | 73 | 5.0 | 726 | 756 | -30 | 5 | 7 | George Mitterwald | Tinker Field | dnq |
| 1986 | MIN | Visalia Oaks | Calif | A+ | team page | 142 | 75 | 67 | 12.0 | 770 | 712 | 58 | 3 | 5 | Dan Schmitz | Recreation Park | Lost in Finals |
| 1986 | MIN | Kenosha Twins | Midw | A | team page | 138 | 46 | 92 | 39.0 | 508 | 717 | -209 | 4 | 12 | Don Leppert | Simmons Field | dnq |
| 1986 | MIN | Elizabethton Twins | App | Rk | team page | 68 | 37 | 31 | 8.0 | 352 | 358 | -6 | 2 | 4 | Fred Waters | Joe O'Brien Field | dnq |
| 1986 | MON | Montreal Expos | MLB-NL | MLB | team page | 161 | 78 | 83 | 29.5 | 637 | 688 | -51 | 4 | 7 | Buck Rodgers | Olympic Stadium | dnq |
| 1986 | MON | Indianapolis Indians | Amer | AAA | team page | 142 | 80 | 62 | -- | 704 | 648 | 56 | 1 | 1 | Joe Sparks | Bush Stadium | League Champions |
| 1986 | MON | Jacksonville Expos | Sou | AA | team page | 143 | 75 | 68 | -- | 722 | 719 | 3 | 1 | 2 | Tommy Thompson | Sam W. Wolfson Baseball Park | Lost in Semi-Finals |
| 1986 | MON | West Palm Beach Expos | FSL | A+ | team page | 135 | 80 | 55 | 2.0 | 533 | 433 | 100 | 2 | 3 | | West Palm Beach Municipal Stadium | dnq |
| 1986 | MON | Burlington Expos | Midw | A | team page | 140 | 69 | 71 | 18.0 | 657 | 674 | -17 | 3 | 8 | J.R. Miner | Community Field | dnq |
| 1986 | MON | Jamestown Expos | NYPL | A- | team page | 76 | 30 | 46 | 18.0 | 286 | 342 | -56 | 4 | 10 | Gene Glynn | College Stadium | dnq |
| 1986 | MON | Gulf Coast Expos | GCL | Rk | team page | 62 | 33 | 29 | 0.5 | 263 | 272 | -9 | 2 | 5 | Mike Easom | McKechnie Field | dnq |
| 1986 | NYN | New York Mets | MLB-NL | MLB | team page | 162 | 108 | 54 | -- | 783 | 578 | 205 | 1 | 1 | Davey Johnson | Shea Stadium | Won World Series (Red Sox) |
| 1986 | NYN | Tidewater Tides | IL | AAA | team page | 140 | 74 | 66 | 6.0 | 594 | 564 | 30 | 4 | 4 | Sam Perlozzo | Met Park | Lost in Semi-Finals |
| 1986 | NYN | Jackson Mets | Tex | AA | team page | 135 | 72 | 63 | 7.5 | 679 | 628 | 51 | 2 | 3 | Mike Cubbage | Smith-Wills Stadium | Lost in Finals |
| 1986 | NYN | Lynchburg Mets | Caro | A+ | team page | 140 | 75 | 65 | 16.5 | 829 | 692 | 137 | 2 | 3 | Bobby Floyd | Lynchburg City Stadium | dnq |
| 1986 | NYN | Columbia Mets | SAL | A | team page | 132 | 90 | 42 | -- | 836 | 562 | 274 | 1 | 1 | Tucker Ashford | Capital City Stadium | League Champions |
| 1986 | NYN | Little Falls Mets | NYPL | A- | team page | 76 | 36 | 40 | 22.5 | 308 | 306 | 2 | 2 | 8 | Richard Miller | Little Falls Veterans Memorial Park | dnq |
| 1986 | NYN | Kingsport Mets | App | Rk | team page | 68 | 16 | 52 | 29.0 | 294 | 458 | -164 | 4 | 8 | Chuck Hiller | Dobyns-Bennett | dnq |
| 1986 | NYA | New York Yankees | MLB-AL | MLB | team page | 162 | 90 | 72 | 5.5 | 797 | 738 | 59 | 2 | 3 | Lou Piniella | Yankee Stadium I | dnq |
| 1986 | NYA | Columbus Clippers | IL | AAA | team page | 139 | 62 | 77 | 17.5 | 566 | 678 | -112 | 6 | 7 | Barry Foote | Cooper Stadium | dnq |
| 1986 | NYA | Albany/Colonie Yankees | East | AA | team page | 139 | 65 | 74 | 13.5 | 611 | 629 | -18 | 6 | 6 | Jim Saul | Heritage Park | dnq |
| 1986 | NYA | Fort Lauderdale Yankees | FSL | A+ | team page | 139 | 80 | 59 | -- | 683 | 577 | 106 | 1 | 5 | | Fort Lauderdale Stadium | dnq |
| 1986 | NYA | Oneonta Yankees | NYPL | A- | team page | 77 | 59 | 18 | -- | 381 | 206 | 175 | 1 | 1 | Buck Showalter | Damaschke Field | Lost in Semi-Finals |
| 1986 | NYA | Gulf Coast Yankees | GCL | Rk | team page | 62 | 33 | 29 | 0.5 | 319 | 275 | 44 | 3 | 4 | Fred Ferreira | Yankee Complex | dnq |
| 1986 | OAK | Oakland Athletics | MLB-AL | MLB | team page | 162 | 76 | 86 | 16.0 | 731 | 760 | -29 | 4 | 9 | Jackie Moore, Tony La Russa, Jeff Newman | Oakland-Alameda County Coliseum | dnq |
| 1986 | OAK | Tacoma Tigers | PCL | AAA | team page | 144 | 72 | 72 | 16.0 | 693 | 725 | -32 | 2 | 4 | Keith Lieppman | Cheney Stadium | Lost in Semi-Finals |
| 1986 | OAK | Huntsville Stars | Sou | AA | team page | 141 | 78 | 63 | -- | 881 | 762 | 119 | 1 | 1 | Bradley Fischer | Joe W. Davis Stadium | Lost in Finals |
| 1986 | OAK | Modesto A's | Calif | A+ | team page | 142 | 69 | 73 | 14.0 | 779 | 771 | 8 | 4 | 7 | Tommie Reynolds | John Thurman Field | dnq |
| 1986 | OAK | Madison Muskies | Midw | A | team page | 140 | 86 | 54 | -- | 715 | 557 | 158 | 1 | 2 | Jim Nettles | Warner Park | Lost in Semi-Finals |
| 1986 | OAK | Medford A's | Nwst | A- | team page | 74 | 43 | 31 | 2.0 | 511 | 433 | 78 | 2 | 3 | Dave Hudgens | Miles Field | dnq |
| 1986 | PHI | Philadelphia Phillies | MLB-NL | MLB | team page | 161 | 86 | 75 | 21.5 | 739 | 713 | 26 | 2 | 3 | John Felske | Veterans Stadium | dnq |
| 1986 | PHI | Portland Beavers | PCL | AAA | team page | 141 | 68 | 73 | 18.5 | 650 | 672 | -22 | 4 | 6 | Bill Dancy | Civic Stadium | dnq |
| 1986 | PHI | Reading Phillies | East | AA | team page | 136 | 77 | 59 | -- | 648 | 582 | 66 | 1 | 1 | George Culver | Reading Municipal Memorial Stadium | Lost in Finals |
| 1986 | PHI | Clearwater Phillies | FSL | A+ | team page | 137 | 63 | 74 | 25.5 | 558 | 568 | -10 | 3 | 8 | Ron Clark | Jack Russell Memorial Stadium | dnq |
| 1986 | PHI | Spartanburg Phillies | SAL | A | team page | 135 | 40 | 95 | 47.5 | 529 | 862 | -333 | 5 | 10 | Roly De Armas | Duncan Park | dnq |
| 1986 | PHI | Bend Phillies | Nwst | A- | team page | 74 | 21 | 53 | 24.0 | 385 | 520 | -135 | 4 | 8 | Ed Pebley | Vince Genna Stadium | dnq |
| 1986 | PHI | Utica Blue Sox | NYPL | A- | team page | 78 | 26 | 52 | 33.5 | 250 | 410 | -160 | 4 | 12 | Tony Taylor | Donovan Stadium at Murnane Field | dnq |
| 1986 | PIT | Pittsburgh Pirates | MLB-NL | MLB | team page | 162 | 64 | 98 | 44.0 | 663 | 700 | -37 | 6 | 12 | Jim Leyland | Three Rivers Stadium | dnq |
| 1986 | PIT | Hawaii Islanders | PCL | AAA | team page | 144 | 65 | 79 | 17.0 | 606 | 618 | -12 | 4 | 9 | Tommy Sandt | Rainbow Stadium | dnq |
| 1986 | PIT | Nashua Pirates | East | AA | team page | 140 | 62 | 78 | 17.0 | 471 | 537 | -66 | 8 | 8 | Dennis Rogers | Holman Stadium | dnq |
| 1986 | PIT | Prince William Pirates | Caro | A+ | team page | 139 | 67 | 72 | 24.0 | 613 | 626 | -13 | 3 | 5 | Rocky Bridges | G. Richard Pfitzner Stadium | dnq |
| 1986 | PIT | Macon Pirates | SAL | A | team page | 138 | 54 | 84 | 39.0 | 579 | 628 | -49 | 5 | 9 | Mike Quade | Luther Williams Field | dnq |
| 1986 | PIT | Watertown Pirates | NYPL | A- | team page | 78 | 30 | 48 | 29.5 | 287 | 365 | -78 | 3 | 11 | Ed Ott | Duffy Fairgrounds | dnq |
| 1986 | PIT | Gulf Coast Pirates | GCL | Rk | team page | 63 | 24 | 39 | 10.0 | 236 | 317 | -81 | 5 | 10 | Woody Huyke | Pirate City Stadium | dnq |
| 1986 | SDN | San Diego Padres | MLB-NL | MLB | team page | 162 | 74 | 88 | 22.0 | 656 | 723 | -67 | 4 | 8 | Steve Boros | Jack Murphy Stadium | dnq |
| 1986 | SDN | Las Vegas Stars | PCL | AAA | team page | 142 | 80 | 62 | 1.0 | 762 | 700 | 62 | 2 | 3 | Larry Bowa | Cashman Field | League Champions |
| 1986 | SDN | Beaumont Golden Gators | Tex | AA | team page | 136 | 60 | 76 | 25.5 | 563 | 722 | -159 | 4 | 7 | Steve Smith | Vincent-Beck Stadium | dnq |
| 1986 | SDN | Reno Padres | Calif | A+ | team page | 142 | 73 | 69 | 10.0 | 815 | 789 | 26 | 3 | 6 | Jim Skaalen | Moana Stadium | dnq |
| 1986 | SDN | Charleston (sc) Rainbows | SAL | A | team page | 132 | 63 | 69 | 27.0 | 587 | 592 | -5 | 3 | 6 | Pat Kelly | College Park | dnq |
| 1986 | SDN | Spokane Indians | Nwst | A- | team page | 74 | 39 | 35 | 6.0 | 443 | 451 | -8 | 3 | 5 | Rob Picciolo | Avista Stadium | dnq |
| 1986 | SFN | San Francisco Giants | MLB-NL | MLB | team page | 162 | 83 | 79 | 13.0 | 698 | 618 | 80 | 3 | 5 | Roger Craig | Candlestick Park | dnq |
| 1986 | SFN | Phoenix Firebirds | PCL | AAA | team page | 142 | 81 | 61 | -- | 770 | 684 | 86 | 1 | 2 | Jim Lefebvre | Phoenix Municipal Stadium | Lost in Semi-Finals |
| 1986 | SFN | Shreveport Captains | Tex | AA | team page | 136 | 80 | 56 | -- | 551 | 523 | 28 | 1 | 2 | Wendell Kim | Fair Grounds Field | Lost in Semi-Finals |
| 1986 | SFN | Fresno Giants | Calif | A+ | team page | 142 | 66 | 76 | 21.0 | 732 | 788 | -56 | 4 | 8 | Tim Blackwell | Euless Ballpark | dnq |
| 1986 | SFN | Clinton Giants | Midw | A | team page | 139 | 63 | 76 | 14.5 | 505 | 580 | -75 | 4 | 9 | Jack Mull | Riverview Stadium | dnq |
| 1986 | SFN | Everett Giants | Nwst | A- | team page | 74 | 40 | 34 | 5.0 | 478 | 426 | 52 | 2 | 4 | Joe Strain | Everett Memorial Stadium | dnq |
| 1986 | SEA | Seattle Mariners | MLB-AL | MLB | team page | 162 | 67 | 95 | 25.0 | 718 | 835 | -117 | 7 | 14 | Dick Williams, Chuck Cottier, Marty Martinez | The Kingdome | dnq |
| 1986 | SEA | Calgary Cannons | PCL | AAA | team page | 143 | 66 | 77 | 21.5 | 722 | 802 | -80 | 5 | 8 | Bill Plummer | Foothills Stadium | dnq |
| 1986 | SEA | Chattanooga Lookouts | Sou | AA | team page | 142 | 64 | 78 | 14.5 | 727 | 765 | -38 | 5 | 10 | RJ Harrison | Engel Stadium | dnq |
| 1986 | SEA | Salinas Spurs | Calif | A+ | team page | 142 | 77 | 65 | 6.0 | 681 | 634 | 47 | 2 | 3 | Greg Mahlberg | Salinas Municipal Stadium | Lost in Semi-Finals |
| 1986 | SEA | Wausau Timbers | Midw | A | team page | 139 | 73 | 66 | 12.5 | 653 | 609 | 44 | 2 | 5 | Bobby Cuellar | Athletic Park | dnq |
| 1986 | SEA | Bellingham Mariners | Nwst | A- | team page | 74 | 45 | 29 | -- | 465 | 380 | 85 | 1 | 2 | Sal Rende | Joe Martin Field | League Champions |
| 1986 | SLN | St. Louis Cardinals | MLB-NL | MLB | team page | 161 | 79 | 82 | 28.5 | 601 | 611 | -10 | 3 | 6 | Whitey Herzog | Busch Stadium II | dnq |
| 1986 | SLN | Louisville Redbirds | Amer | AAA | team page | 142 | 64 | 78 | 16.0 | 642 | 657 | -15 | 4 | 7 | Dave Bialas, Jim Fregosi, Dyar Miller | Cardinal Stadium | dnq |
| 1986 | SLN | Arkansas Travelers | Tex | AA | team page | 134 | 67 | 67 | 12.0 | 552 | 573 | -21 | 3 | 4 | Jim Riggleman | Ray Winder Field | dnq |
| 1986 | SLN | St. Petersburg Cardinals | FSL | A+ | team page | 136 | 88 | 48 | -- | 681 | 428 | 253 | 1 | 1 | | Al Lang Field | dnq |
| 1986 | SLN | Savannah Cardinals | SAL | A | team page | 135 | 75 | 60 | 16.5 | 590 | 563 | 27 | 2 | 4 | Mark DeJohn | Grayson Stadium | dnq |
| 1986 | SLN | Springfield Cardinals | Midw | A | team page | 140 | 87 | 53 | -- | 750 | 561 | 189 | 1 | 1 | Gaylen Pitts | Lanphier Park | Lost in Semi-Finals |
| 1986 | SLN | Erie Cardinals | NYPL | A- | team page | 77 | 37 | 40 | 11.5 | 360 | 367 | -7 | 2 | 7 | Joseph Rigoli | Ainsworth Field | dnq |
| 1986 | SLN | Johnson City Cardinals | App | Rk | team page | 66 | 44 | 22 | -- | 406 | 275 | 131 | 1 | 1 | Dan Radison | Howard Johnson Field | Lost in Finals |
| 1986 | TEX | Texas Rangers | MLB-AL | MLB | team page | 162 | 87 | 75 | 5.0 | 771 | 743 | 28 | 2 | 4 | Bobby Valentine | Arlington Stadium | dnq |
| 1986 | TEX | Oklahoma City 89ers | Amer | AAA | team page | 142 | 63 | 79 | 13.0 | 671 | 778 | -107 | 4 | 8 | Dave Oliver | All Sports Stadium | dnq |
| 1986 | TEX | Tulsa Drillers | Tex | AA | team page | 134 | 49 | 85 | 30.0 | 588 | 653 | -65 | 4 | 8 | Bill Stearns | Tulsa County Stadium | dnq |
| 1986 | TEX | Daytona Admirals | FSL | A+ | team page | 137 | 40 | 97 | 45.0 | 532 | 840 | -308 | 4 | 12 | | Jackie Robinson Ballpark | dnq |
| 1986 | TEX | Salem Redbirds | Caro | A+ | team page | 138 | 45 | 93 | 45.5 | 592 | 932 | -340 | 4 | 8 | Mike Bucci | Salem Municipal Stadium | dnq |
| 1986 | TEX | Gulf Coast Rangers | GCL | Rk | team page | 62 | 31 | 31 | 2.5 | 244 | 225 | 19 | 3 | 6 | Rudy Jaramillo | Payne Park | dnq |
| 1986 | TOR | Toronto Blue Jays | MLB-AL | MLB | team page | 162 | 86 | 76 | 9.5 | 809 | 733 | 76 | 4 | 6 | Jimy Williams | Exhibition Stadium | dnq |
| 1986 | TOR | Syracuse Chiefs | IL | AAA | team page | 139 | 72 | 67 | 7.5 | 628 | 531 | 97 | 5 | 5 | Doug Ault | MacArthur Stadium | dnq |
| 1986 | TOR | Knoxville Blue Jays | Sou | AA | team page | 144 | 74 | 70 | 5.5 | 744 | 681 | 63 | 2 | 3 | Larry Hardy | Bill Meyer Stadium | Lost in Semi-Finals |
| 1986 | TOR | Ventura County Gulls | Calif | A+ | team page | 142 | 75 | 67 | 12.0 | 756 | 664 | 92 | 2 | 4 | Glenn Ezell | Ventura College Ballpark | dnq |
| 1986 | TOR | Florence Blue Jays | SAL | A | team page | 132 | 56 | 76 | 34.0 | 641 | 792 | -151 | 4 | 8 | Hector Torres | Red Wolfe Stadium | dnq |
| 1986 | TOR | St. Catharines Blue Jays | NYPL | A- | team page | 76 | 48 | 28 | -- | 349 | 263 | 86 | 1 | 2 | Cloyd Boyer | Community Park | League Champions |
| 1986 | TOR | Medicine Hat Blue Jays | Pio | Rk | team page | 70 | 24 | 46 | 21.0 | 364 | 440 | -76 | 6 | 6 | Dennis Holmberg | Athletic Park | dnq |