League transaction log -- Mid-Summer Classic
Regular season
| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 7/1/1919 | DBL | Baker,F | Acquired via trade | MB | | After |
| 7/1/1919 | DBL | Chapman | Acquired via trade | Ded | | After |
| 7/1/1919 | DBL | Coveleski | Acquired via trade | Tex | | After |
| 7/1/1919 | DBL | Douglas | Acquired via trade | MB | | After |
| 7/1/1919 | DBL | Doyle | Acquired via trade | Tex | | After |
| 7/1/1919 | DBL | Hollocher | Acquired via trade | NO | | After |
| 7/1/1919 | DBL | Jacobson | Acquired via trade | Gal | | After |
| 7/1/1919 | DBL | Kauff | Acquired via trade | Ded | | After |
| 7/1/1919 | DBL | McCarty | Acquired via trade | Bla | | After |
| 7/1/1919 | DBL | Meusel | Acquired via trade | Mac | | After |
| 7/1/1919 | DBL | Myers,H | Acquired via trade | Bla | | After |
| 7/1/1919 | DBL | Pratt | Acquired via trade | Bla | | After |
| 7/1/1919 | DBL | Quinn | Acquired via trade | NO | | After |
| 7/1/1919 | DBL | Roth | Acquired via trade | NO | | After |
| 7/1/1919 | DBL | Roush | Acquired via trade | Cha | | After |
| 7/1/1919 | DBL | Ruth | Acquired via trade | Bla | | After |
| 7/1/1919 | DBL | Schalk | Acquired via trade | MB | | After |
| 7/1/1919 | DBL | Sisler | Acquired via trade | Mac | | After |
| 7/1/1919 | DBL | Veach | Acquired via trade | MB | | After |
| 7/1/1919 | DBL | Zimmerman | Acquired via trade | Gal | | After |
| 7/1/1919 | KBL | Adams,Ba | Acquired via trade | Riv | | After |
| 7/1/1919 | KBL | Ainsmith | Acquired via trade | Sta | | After |
| 7/1/1919 | KBL | Bagby | Acquired via trade | Top | | After |
| 7/1/1919 | KBL | Cicotte | Acquired via trade | Top | | After |
| 7/1/1919 | KBL | Cobb | Acquired via trade | Riv | | After |
| 7/1/1919 | KBL | Collins,E | Acquired via trade | Sta | | After |
| 7/1/1919 | KBL | Cravath | Acquired via trade | Sta | | After |
| 7/1/1919 | KBL | Doak | Acquired via trade | Geo | | After |
| 7/1/1919 | KBL | Groh,H | Acquired via trade | Wil | | After |
| 7/1/1919 | KBL | Heilmann | Acquired via trade | BG | | After |
| 7/1/1919 | KBL | Hornsby | Acquired via trade | Vir | | After |
| 7/1/1919 | KBL | Jackson | Acquired via trade | Top | | After |
| 7/1/1919 | KBL | Johnston,J | Acquired via trade | Geo | | After |
| 7/1/1919 | KBL | Mays | Acquired via trade | Geo | | After |
| 7/1/1919 | KBL | Shocker | Acquired via trade | Wil | | After |
| 7/1/1919 | KBL | Southworth | Acquired via trade | Sta | | After |
| 7/1/1919 | KBL | Stock | Acquired via trade | Ga | | After |
| 7/1/1919 | KBL | Toney | Acquired via trade | Wil | | After |
| 7/1/1919 | KBL | Weaver,B | Acquired via trade | Vir | | After |
| 7/1/1919 | KBL | Whitted | Acquired via trade | BG | | After |