| West | W | L | Pct | GB |
| San Diego | 82 | 80 | .506 | -- |
| Arizona | 77 | 85 | .475 | 5.0 |
| SF Giants | 75 | 87 | .463 | 7.0 |
| LA Dodgers | 71 | 91 | .438 | 11.0 |
| Colorado | 67 | 95 | .414 | 15.0 |
| Pitcher | Game | Season | Result | Decision | IP | H | R | ER | HR | BB | SO | WP | BK | HB | TBF | Pitches | Str | Bal | Str% | Career G | Career W-L | Feat Description | |
| Rudy Seanez | 2005-04-06 | 2005 | W 14-6 @ COL | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 21 | 16 | 5 | 76% | 325 | 20-19 | Threw 76% strikes | ||
| Jake Peavy | 2005-04-07 | 2005 | W 1-0 vs PIT | 6.2 | 4 | 0 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 25 | 95 | 65 | 30 | 68% | 77 | 33-24 | 10 Strikeouts | ||
| Randy Williams | 2005-05-06 | 2005 | W 6-5 @ SLN | W | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 5 | 23 | 14 | 9 | 61% | 7 | 1-0 | 1st career win | |
| Trevor Hoffman | 2005-05-06 | 2005 | W 6-5 @ SLN | Sv | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 18 | 13 | 5 | 72% | 706 | 48-48 | 400th career save | |
| Tim Stauffer | 2005-05-11 | 2005 | W 7-2 @ CIN | W | 6 | 4 | 2 | 2 | 1 | 3 | 5 | 0 | 0 | 2 | 26 | 108 | 61 | 47 | 56% | 1 | 1-0 | 1st career win, 1st career game | |
| Jake Peavy | 2005-05-20 | 2005 | W 6-1 @ SEA | W | 7 | 3 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | 25 | 112 | 72 | 40 | 64% | 85 | 37-24 | 10 Strikeouts | |
| Jake Peavy | 2005-06-14 | 2005 | L 8-4 @ DET | L | 6 | 4 | 5 | 3 | 1 | 2 | 10 | 0 | 0 | 0 | 25 | 98 | 61 | 37 | 62% | 89 | 38-26 | 10 Strikeouts | |
| Jake Peavy | 2005-06-20 | 2005 | W 1-0 vs LAN | W | 8 | 2 | 0 | 0 | 0 | 1 | 13 | 0 | 0 | 0 | 27 | 122 | 75 | 47 | 61% | 90 | 39-26 | 13 Strikeouts | |
| Scott Linebrink | 2005-06-21 | 2005 | W 2-1 vs LAN | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 5 | 2 | 71% | 200 | 13-6 | 200th career game | ||
| Paul Quantrill | 2005-07-10 | 2005 | W 8-5 @ COL | W | 2.2 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 10 | 32 | 24 | 8 | 75% | 816 | 68-76 | Threw 75% strikes | |
| Clay Hensley | 2005-07-20 | 2005 | L 7-3 @ NYN | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 7 | 30 | 18 | 12 | 60% | 1 | 0-0 | 1st career game | ||
| Craig Breslow | 2005-07-23 | 2005 | L 2-0 @ PHI | 1.2 | 1 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 7 | 31 | 17 | 14 | 55% | 1 | 0-0 | 1st career game | ||
| Jake Peavy | 2005-07-27 | 2005 | W 2-1 vs SLN | 8 | 2 | 1 | 1 | 0 | 2 | 10 | 0 | 0 | 1 | 28 | 113 | 76 | 37 | 67% | 96 | 41-28 | 10 Strikeouts | ||
| Jake Peavy | 2005-08-07 | 2005 | W 3-0 @ WAS | W | 9 | 5 | 0 | 0 | 0 | 2 | 10 | 0 | 0 | 1 | 33 | 118 | 82 | 36 | 69% | 98 | 43-28 | 10 Strikeouts | |
| Chris Hammond | 2005-08-20 | 2005 | W 7-2 @ ATL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 12 | 7 | 5 | 58% | 400 | 65-61 | 400th career game | ||
| Jake Peavy | 2005-08-23 | 2005 | W 2-0 vs HOU | W | SHO | 9 | 4 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 34 | 115 | 79 | 36 | 69% | 101 | 44-30 | Complete game/Shutout |
| Chris Oxspring | 2005-09-02 | 2005 | L 12-2 @ MIL | 5.1 | 6 | 6 | 5 | 2 | 3 | 7 | 0 | 0 | 0 | 24 | 95 | 57 | 38 | 60% | 1 | 0-0 | 1st career game | ||
| Rudy Seanez | 2005-09-03 | 2005 | W 6-1 @ MIL | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 21 | 17 | 4 | 81% | 370 | 26-20 | Threw 81% strikes | ||
| Scott Linebrink | 2005-09-07 | 2005 | W 4-2 vs COL | 1.2 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 6 | 26 | 17 | 9 | 65% | 229 | 15-6 | Struck out at least 2 batters per inning (1.2+ ip) | ||
| Scott Linebrink | 2005-09-17 | 2005 | W 8-5 vs WAS | W | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 6 | 22 | 18 | 4 | 82% | 233 | 17-6 | Threw 82% strikes | |
| Sean Burroughs | 2005-09-20 | 2005 | L 20-1 @ COL | 1 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 22 | 14 | 8 | 64% | 1 | 0-0 | 1st career game | ||
| Clay Hensley | 2005-09-27 | 2005 | W 9-6 vs SFN | W | 3.2 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 13 | 40 | 20 | 20 | 50% | 23 | 1-1 | 1st career win | |
| Scott Linebrink | 2005-09-30 | 2005 | W 3-1 vs LAN | Sv | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 15 | 10 | 5 | 67% | 240 | 18-6 | 1st career save | |
| Adam Eaton | 2005-10-02 | 2005 | W 3-1 vs LAN | W | 7 | 1 | 0 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 23 | 100 | 69 | 31 | 69% | 133 | 47-41 | 11 Strikeouts | |