| 1939-12-09 | Wally Moses | Traded by Athletics to Tigers for Benny McCoy. Trade Voided (December 14,1940) | OF | 5-10 | 160 | L | L | 1910-08-10 | Uvalda,GA |
| MLB | 1935-1951 | 1935-1951 |
| 1939-12-09 | Benny McCoy | Traded by Tigers to Athletics for Wally Moses. Trade Voided (December 14,1940) | 2B-SS | 5-9 | 170 | L | R | 1915-11-09 | Jenison,MI |
| MLB | 1938-1941 | 1938-1941 |
| 1939-12-06 | Dick Bartell | Traded by Cubs to Tigers for Billy Rogell. | SS-3B | 5-9 | 160 | R | R | 1907-11-22 | Chicago,IL |
| MLB | 1927-1946 | 1927-1946 |
| 1939-12-06 | Billy Rogell | Traded by Tigers to Cubs for Dick Bartell. | SS-3B | 5-10 | 163 | B | R | 1904-11-24 | Springfield,IL |
| MLB | 1925-1940 | 1925-1940 |
| 1939-09-12 | Cotton Pippen | Claimed on waivers by Tigers from Athletics. | P | 6-2 | 180 | R | R | 1911-04-02 | Cisco,TX |
| MLB | 1936-1940 | 1936-1940 |
| 1939-08-22 | Clay Smith | Purchased by Tigers from Indians. | P | 6-2 | 190 | R | R | 1914-09-11 | Cambridge,KS |
| MLB | 1938-1940 | 1938-1940 |
| 1939-07-24 | Dixie Walker | Claimed on waivers by Dodgers from Tigers. | OF-1B | 6-1 | 175 | L | R | 1910-09-24 | Villa Rica,GA |
| MLB | 1931-1949 | 1931-1949 |
| 1939-07-21 | Jim Walkup | Purchased by Toronto (International) from Tigers. | P | 6-1 | 170 | R | R | 1909-12-14 | Havana,AR |
| MLB | 1934-1939 | 1934-1939 |
| 1939-06-14 | Earl Averill | Traded by Indians to Tigers for Harry Eisenstat and Cash. | OF | 5-9 | 172 | L | R | 1902-05-21 | Snohomish,WA |
| MLB | 1929-1941 | 1929-1941 |
| 1939-06-14 | Harry Eisenstat | Traded by Tigers with Cash to Indians for Earl Averill. | P | 5-11 | 185 | L | L | 1915-10-10 | Brooklyn,NY |
| MLB | 1935-1942 | 1935-1942 |
| 1939-05-18 | Bud Thomas | Claimed on waivers by Tigers from Senators. | P | 6-0 | 180 | R | R | 1910-09-09 | Faber,VA |
| MLB | 1932-1941 | 1932-1941 |
| 1939-05-13 | Red Kress | Traded by Browns with Jim Walkup, Bobo Newsom and Beau Bell to Tigers for Mark Christman, Chet Laabs, Roxie Lawson, George Gill, Bob Harris and Vern Kennedy. | SS-3B | 5-11 | 165 | R | R | 1907-01-02 | Columbia,CA |
| MLB | 1927-1946 | 1927-1946 |
| 1939-05-13 | Bobo Newsom | Traded by Browns with Jim Walkup, Red Kress and Beau Bell to Tigers for Mark Christman, Chet Laabs, Roxie Lawson, George Gill, Bob Harris and Vern Kennedy. | P | 6-2 | 220 | R | R | 1907-08-11 | Hartsville,SC |
| MLB | 1929-1953 | 1929-1953 |
| 1939-05-13 | Beau Bell | Traded by Browns with Jim Walkup, Red Kress and Bobo Newsom to Tigers for Mark Christman, Chet Laabs, Roxie Lawson, George Gill, Bob Harris and Vern Kennedy. | OF-1B | 6-2 | 185 | R | R | 1907-08-20 | Bellville,TX |
| MLB | 1935-1941 | 1935-1941 |
| 1939-05-13 | Jim Walkup | Traded by Browns with Red Kress, Bobo Newsom and Beau Bell to Tigers for Mark Christman, Chet Laabs, Roxie Lawson, George Gill, Bob Harris and Vern Kennedy. | P | 6-1 | 170 | R | R | 1909-12-14 | Havana,AR |
| MLB | 1934-1939 | 1934-1939 |
| 1939-05-13 | Mark Christman | Traded by Tigers with Chet Laabs, Roxie Lawson, George Gill, Bob Harris and Vern Kennedy to Browns for Jim Walkup, Red Kress, Bobo Newsom and Beau Bell. | 3B-SS | 5-11 | 180 | R | R | 1913-10-21 | Maplewood,MO |
| MLB | 1938-1949 | 1938-1949 |
| 1939-05-13 | Roxie Lawson | Traded by Tigers with Mark Christman, Chet Laabs, George Gill, Bob Harris and Vern Kennedy to Browns for Jim Walkup, Red Kress, Bobo Newsom and Beau Bell. | P | 6-0 | 170 | R | R | 1906-04-13 | Donnellson,IA |
| MLB | 1930-1940 | 1930-1940 |
| 1939-05-13 | George Gill | Traded by Tigers with Mark Christman, Chet Laabs, Roxie Lawson, Bob Harris and Vern Kennedy to Browns for Jim Walkup, Red Kress, Bobo Newsom and Beau Bell. | P | 6-1 | 185 | R | R | 1909-02-13 | Catchings,MS |
| MLB | 1937-1939 | 1937-1939 |
| 1939-05-13 | Vern Kennedy | Traded by Tigers with Mark Christman, Chet Laabs, Roxie Lawson, George Gill and Bob Harris to Browns for Jim Walkup, Red Kress, Bobo Newsom and Beau Bell. | P | 6-0 | 175 | L | R | 1907-03-20 | Kansas City,MO |
| MLB | 1934-1945 | 1934-1945 |
| 1939-05-13 | Bob Harris | Traded by Tigers with Mark Christman, Chet Laabs, Roxie Lawson, George Gill and Vern Kennedy to Browns for Jim Walkup, Red Kress, Bobo Newsom and Beau Bell. | P | 6-0 | 185 | R | R | 1915-05-01 | Gillette,WY |
| MLB | 1938-1942 | 1938-1942 |
| 1939-05-13 | Chet Laabs | Traded by Tigers with Mark Christman, Roxie Lawson, George Gill, Bob Harris and Vern Kennedy to Browns for Jim Walkup, Red Kress, Bobo Newsom and Beau Bell. | OF | 5-8 | 175 | R | R | 1912-04-30 | Milwaukee,WI |
| MLB | 1937-1947 | 1937-1947 |
| 1939-05-09 | Les Fleming | Purchased by Browns from Tigers. | 1B-OF | 5-10 | 185 | L | L | 1915-08-07 | Singleton,TX |
| MLB | 1939-1949 | 1939-1949 |
| 1939-05-09 | Red Lynn | Purchased by Giants from Tigers. | P | 6-0 | 162 | R | R | 1913-12-27 | Kenney,TX |
| MLB | 1939-1944 | 1939-1944 |
| 1939-04-09 | Boots Poffenberger | Claimed on waivers by Dodgers from Tigers. | P | 5-10 | 178 | R | R | 1915-07-01 | Williamsport,MD |
| MLB | 1937-1939 | 1937-1939 |
| 1939-01-01 | Gene Markland | Signed as undrafted amateur Free Agent by Tigers. | 2B | 5-10 | 160 | R | R | 1919-12-26 | Detroit,MI |
| MLB | 1950-1950 | 1950-1950 |
| 1939-01-01 | Catfish Metkovich | Signed as undrafted amateur Free Agent by Tigers. | OF-1B | 6-1 | 185 | L | L | 1920-10-08 | Angels Camp,CA |
| MLB | 1943-1954 | 1943-1954 |
| 1939-01-01 | Hal Newhouser | Signed as undrafted amateur Free Agent by Tigers. | P | 6-2 | 192 | L | L | 1921-05-20 | Detroit,MI |
| MLB | 1939-1955 | 1939-1955 |