| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/24/1919 | Tex | Bolden | Promoted to active roster | | | Before |
| 4/24/1919 | Tex | Schacht | Demoted to reserve roster | | | Before |
| 5/6/1919 | Gal | Keefe | Demoted to reserve roster | | | Before |
| 6/29/1919 | Gal | Bailey,G | Promoted to active roster | | | Before |
| 6/29/1919 | Gal | Wilhoit | Demoted to reserve roster | | | Before |
| 7/1/1919 | Bla | McCarty | Traded away | DBL | | After |
| 7/1/1919 | Bla | Myers,H | Traded away | DBL | | After |
| 7/1/1919 | Bla | Pratt | Traded away | DBL | | After |
| 7/1/1919 | Bla | Ruth | Traded away | DBL | | After |
| 7/1/1919 | Cha | Roush | Traded away | DBL | | After |
| 7/1/1919 | Ded | Chapman | Traded away | DBL | | After |
| 7/1/1919 | Ded | Kauff | Traded away | DBL | | After |
| 7/1/1919 | Gal | Jacobson | Traded away | DBL | | After |
| 7/1/1919 | Gal | Zimmerman | Traded away | DBL | | After |
| 7/1/1919 | Mac | Meusel | Traded away | DBL | | After |
| 7/1/1919 | Mac | Sisler | Traded away | DBL | | After |
| 7/1/1919 | MB | Baker,F | Traded away | DBL | | After |
| 7/1/1919 | MB | Douglas | Traded away | DBL | | After |
| 7/1/1919 | MB | Schalk | Traded away | DBL | | After |
| 7/1/1919 | MB | Veach | Traded away | DBL | | After |
| 7/1/1919 | NO | Hollocher | Traded away | DBL | | After |
| 7/1/1919 | NO | Quinn | Traded away | DBL | | After |
| 7/1/1919 | NO | Roth | Traded away | DBL | | After |
| 7/1/1919 | Tex | Coveleski | Traded away | DBL | | After |
| 7/1/1919 | Tex | Doyle | Traded away | DBL | | After |
| 7/4/1919 | Bla | McCarty | Acquired via trade | DBL | | After |
| 7/4/1919 | Bla | Myers,H | Acquired via trade | DBL | | After |
| 7/4/1919 | Bla | Pratt | Acquired via trade | DBL | | After |
| 7/4/1919 | Bla | Ruth | Acquired via trade | DBL | | After |
| 7/4/1919 | Cha | Roush | Acquired via trade | DBL | | After |
| 7/4/1919 | Ded | Chapman | Acquired via trade | DBL | | After |
| 7/4/1919 | Ded | Kauff | Acquired via trade | DBL | | After |
| 7/4/1919 | Gal | Jacobson | Acquired via trade | DBL | | After |
| 7/4/1919 | Gal | Zimmerman | Acquired via trade | DBL | | After |
| 7/4/1919 | Mac | Meusel | Acquired via trade | DBL | | After |
| 7/4/1919 | Mac | Sisler | Acquired via trade | DBL | | After |
| 7/4/1919 | MB | Baker,F | Acquired via trade | DBL | | After |
| 7/4/1919 | MB | Douglas | Acquired via trade | DBL | | After |
| 7/4/1919 | MB | Schalk | Acquired via trade | DBL | | After |
| 7/4/1919 | MB | Veach | Acquired via trade | DBL | | After |
| 7/4/1919 | NO | Hollocher | Acquired via trade | DBL | | After |
| 7/4/1919 | NO | Quinn | Acquired via trade | DBL | | After |
| 7/4/1919 | NO | Roth | Acquired via trade | DBL | | After |
| 7/4/1919 | Tex | Coveleski | Acquired via trade | DBL | | After |
| 7/4/1919 | Tex | Doyle | Acquired via trade | DBL | | After |
| 7/19/1919 | Gal | Barnes,V | Promoted to active roster | | | Before |
| 7/19/1919 | Gal | Perritt | Demoted to reserve roster | | | Before |
| 7/25/1919 | MB | Anderson | Promoted to active roster | | | Before |
| 7/25/1919 | MB | Mapel | Demoted to reserve roster | | | Before |
| 8/12/1919 | MB | Harris,B | Demoted to reserve roster | | | Before |
| 8/12/1919 | MB | Hasty | Promoted to active roster | | | Before |
| 8/24/1919 | Gal | Bailey,G | Demoted to reserve roster | | | Before |
| 8/24/1919 | Gal | Welch | Promoted to active roster | | | Before |
| 8/24/1919 | NO | Billings | Demoted to reserve roster | | | Before |
| 8/24/1919 | NO | Carlson | Demoted to reserve roster | | | Before |
| 8/24/1919 | NO | Hill | Promoted to active roster | | | Before |
| 8/24/1919 | NO | Jones,J | Promoted to active roster | | | Before |
| 8/24/1919 | NO | Murphy,E | Demoted to reserve roster | | | Before |
| 8/24/1919 | NO | Winn | Promoted to active roster | | | Before |
| 9/13/1919 | MB | Hasty | Demoted to reserve roster | | | Before |
| 9/13/1919 | MB | Mapel | Promoted to active roster | | | Before |
| 9/28/1919 | NO | Billings | Promoted to active roster | | | Before |
| 9/28/1919 | NO | Carlson | Promoted to active roster | | | Before |
| 9/28/1919 | NO | Hill | Demoted to reserve roster | | | Before |
| 9/28/1919 | NO | Jones,J | Demoted to reserve roster | | | Before |
| 9/28/1919 | NO | Murphy,E | Promoted to active roster | | | Before |
| 9/28/1919 | NO | Winn | Demoted to reserve roster | | | Before |