| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/7/1985 | SOP | Dopson | Promoted to active roster | | | Before |
| 4/7/1985 | SOP | Sanderson | Placed on Injured List | | 4/7/1985 | Before |
| 4/16/1985 | ROC | O'Brien,C | Promoted to active roster | | | Before |
| 4/16/1985 | ROC | Tettleton | Placed on Injured List | | 4/15/1985 | Before |
| 4/17/1985 | QME | Correa | Demoted to reserve roster | | | Before |
| 4/17/1985 | QME | Guzman | Promoted to active roster | | | Before |
| 4/25/1985 | HNT | Coleman | Promoted to active roster | | | Before |
| 4/25/1985 | HNT | McGee | Placed on Injured List | | 4/24/1985 | Before |
| 4/25/1985 | HNT | Moreno | Promoted to active roster | | | Before |
| 4/25/1985 | HNT | Rawley | Placed on Injured List | | 4/23/1985 | Before |
| 4/25/1985 | HNT | Terrell | Promoted to active roster | | | Before |
| 4/25/1985 | HNT | White,D | Demoted to reserve roster | | | Before |
| 4/25/1985 | TWP | Gardenhire | Promoted to active roster | | | Before |
| 4/25/1985 | TWP | Ramirez,R | Placed on Injured List | | 4/25/1985 | Before |
| 4/26/1985 | TWP | Lamp | Placed on Injured List | | 4/20/1985 | Before |
| 4/26/1985 | TWP | Smithson | Promoted to active roster | | | Before |
| 5/1/1985 | HNT | Kison | Promoted to active roster | | | Before |
| 5/1/1985 | HNT | Schmidt,D | Placed on Injured List | | 5/1/1985 | Before |
| 5/1/1985 | ROC | O'Brien,C | Demoted to reserve roster | | | Before |
| 5/1/1985 | ROC | Tettleton | Activated from Injured List | | | Before |
| 5/2/1985 | RIN | Farr | Demoted to reserve roster | | | Before |
| 5/2/1985 | RIN | Lucas | Promoted to active roster | | | Before |
| 5/4/1985 | AVI | Guante | Demoted to reserve roster | | | Before |
| 5/4/1985 | AVI | Henry | Promoted to active roster | | | Before |
| 5/4/1985 | HNT | Tanana | Placed on Injured List | | 5/4/1985 | Before |
| 5/4/1985 | HNT | Trout | Promoted to active roster | | | Before |
| 5/5/1985 | TWP | Lamp | Activated from Injured List | | | Before |
| 5/5/1985 | TWP | Smithson | Demoted to reserve roster | | | Before |
| 5/6/1985 | QME | Fielder | Demoted to reserve roster | | | Before |
| 5/6/1985 | QME | Perez,T | Promoted to active roster | | | Before |
| 5/8/1985 | SAN | Garber | Promoted to active roster | | | Before |
| 5/8/1985 | SAN | Gossage | Placed on Injured List | | 5/8/1985 | Before |
| 5/8/1985 | SOP | Dopson | Demoted to reserve roster | | | Before |
| 5/8/1985 | SOP | Griffey | Placed on Injured List | | 5/7/1985 | Before |
| 5/8/1985 | SOP | Nettles | Promoted to active roster | | | Before |
| 5/8/1985 | SOP | Sanderson | Activated from Injured List | | | Before |
| 5/9/1985 | HNT | McGee | Activated from Injured List | | | Before |
| 5/9/1985 | HNT | Moreno | Demoted to reserve roster | | | Before |
| 5/9/1985 | TWP | Galarraga | Demoted to reserve roster | | | Before |
| 5/9/1985 | TWP | Gardenhire | Demoted to reserve roster | | | Before |
| 5/9/1985 | TWP | Wilkerson | Promoted to active roster | | | Before |
| 5/10/1985 | TWP | Ramirez,R | Activated from Injured List | | | Before |
| 5/10/1985 | TWP | Wilkerson | Demoted to reserve roster | | | Before |
| 5/12/1985 | RIN | Bream | Demoted to reserve roster | | | Before |
| 5/12/1985 | RIN | Clear | Demoted to reserve roster | | | Before |
| 5/12/1985 | RIN | Hudler | Promoted to active roster | | | Before |
| 5/12/1985 | RIN | Thompson,R | Promoted to active roster | | | Before |
| 5/12/1985 | SAN | Hume | Promoted to active roster | | | Before |
| 5/12/1985 | SAN | Sutcliffe | Placed on Injured List | | 5/9/1985 | Before |
| 5/14/1985 | AVI | Guante | Promoted to active roster | | | Before |
| 5/14/1985 | AVI | Ontiveros | Placed on Injured List | | 5/14/1985 | Before |
| 5/15/1985 | SAN | Cerone | Promoted to active roster | | | Before |
| 5/15/1985 | SAN | Skinner | Demoted to reserve roster | | | Before |
| 5/16/1985 | ROC | Hulett | Placed on Injured List | | 5/16/1985 | Before |
| 5/16/1985 | ROC | Oliver | Promoted to active roster | | | Before |
| 5/20/1985 | QME | Martinez,D | Placed on Injured List | | 5/18/1985 | Before |
| 5/20/1985 | QME | Palmer | Promoted to active roster | | | Before |
| 5/21/1985 | AVI | Cary | Promoted to active roster | | | Before |
| 5/21/1985 | AVI | Cowens | Demoted to reserve roster | | | Before |
| 5/22/1985 | QME | Gruber | Promoted to active roster | | | Before |
| 5/22/1985 | QME | Tartabull | Demoted to reserve roster | | | Before |
| 5/23/1985 | RIN | Mazzilli | Promoted to active roster | | | Before |
| 5/23/1985 | RIN | Ortiz | Promoted to active roster | | | Before |
| 5/23/1985 | RIN | Strawberry | Demoted to reserve roster | | | Before |
| 5/23/1985 | ROC | Fingers | Demoted to reserve roster | | | Before |
| 5/23/1985 | ROC | Flanagan | Promoted to active roster | | | Before |
| 5/23/1985 | ROC | Howe,S | Demoted to reserve roster | | | Before |
| 5/23/1985 | ROC | Wilcox | Promoted to active roster | | | Before |
| 5/24/1985 | HNT | Kison | Demoted to reserve roster | | | Before |
| 5/24/1985 | HNT | Schmidt,D | Activated from Injured List | | | Before |
| 5/24/1985 | HNT | Tanana | Activated from Injured List | | | Before |
| 5/24/1985 | HNT | Trout | Demoted to reserve roster | | | Before |
| 5/24/1985 | SOP | Griffey | Activated from Injured List | | | Before |
| 5/24/1985 | SOP | Roenicke,R | Demoted to reserve roster | | | Before |
| 5/26/1985 | ROC | Guerrero | Placed on Injured List | | 5/26/1985 | Before |
| 5/26/1985 | ROC | Washington,UL | Promoted to active roster | | | Before |
| 5/29/1985 | AVI | Henry | Demoted to reserve roster | | | Before |
| 5/29/1985 | AVI | Ontiveros | Activated from Injured List | | | Before |
| 6/1/1985 | AVI | Carter,J | Placed on Injured List | | 5/31/1985 | Before |
| 6/1/1985 | AVI | Cowens | Promoted to active roster | | | Before |
| 6/1/1985 | ROC | Hulett | Activated from Injured List | | | Before |
| 6/1/1985 | ROC | Oliver | Demoted to reserve roster | | | Before |
| 6/3/1985 | QME | Gruber | Demoted to reserve roster | | | Before |
| 6/3/1985 | QME | Puhl | Promoted to active roster | | | Before |
| 6/4/1985 | QME | Martinez,D | Activated from Injured List | | | Before |
| 6/4/1985 | QME | Palmer | Demoted to reserve roster | | | Before |
| 6/4/1985 | SAN | Diaz,C | Demoted to reserve roster | | | Before |
| 6/4/1985 | SAN | Gossage | Activated from Injured List | | | Before |
| 6/4/1985 | SAN | Reuss | Demoted to reserve roster | | | Before |
| 6/4/1985 | SAN | Sutcliffe | Activated from Injured List | | | Before |
| 6/6/1985 | RIN | Bochy | Promoted to active roster | | | Before |
| 6/6/1985 | RIN | Davis,Ma | Demoted to reserve roster | | | Before |
| 6/6/1985 | RIN | Laudner | Demoted to reserve roster | | | Before |
| 6/6/1985 | RIN | McGaffigan | Promoted to active roster | | | Before |
| 6/9/1985 | RIN | Phelps | Demoted to reserve roster | | | Before |
| 6/11/1985 | ROC | Guerrero | Activated from Injured List | | | Before |
| 6/11/1985 | ROC | Washington,UL | Demoted to reserve roster | | | Before |
| 6/11/1985 | TWP | Cabell | Promoted to active roster | | | Before |
| 6/11/1985 | TWP | Cey | Placed on Injured List | | 6/10/1985 | Before |
| 6/12/1985 | HNT | Hurst | Placed on Injured List | | 6/11/1985 | Before |
| 6/12/1985 | HNT | Trout | Promoted to active roster | | | Before |
| 6/13/1985 | ROC | Carlton | Promoted to active roster | | | Before |
| 6/13/1985 | ROC | Hoyt | Placed on Injured List | | 6/12/1985 | Before |
| 6/15/1985 | AVI | Carter,J | Activated from Injured List | | | Before |
| 6/15/1985 | AVI | Cowens | Demoted to reserve roster | | | Before |
| 6/16/1985 | RIN | Deer | Promoted to active roster | | | Before |
| 6/16/1985 | RIN | Mazzilli | Demoted to reserve roster | | | Before |
| 6/16/1985 | RIN | Strawberry | Promoted to active roster | | | Before |
| 6/16/1985 | RIN | Tabler | Demoted to reserve roster | | | Before |
| 6/19/1985 | QME | Clancy | Placed on Injured List | | 6/17/1985 | Before |
| 6/19/1985 | QME | Palmer | Promoted to active roster | | | Before |
| 6/21/1985 | RIN | Coles | Promoted to active roster | | | Before |
| 6/21/1985 | RIN | Jacoby | Demoted to reserve roster | | | Before |
| 6/24/1985 | QME | Kearney | Promoted to active roster | | | Before |
| 6/24/1985 | QME | Puhl | Demoted to reserve roster | | | Before |
| 6/24/1985 | RIN | Murphy,R | Promoted to active roster | | | Before |
| 6/24/1985 | RIN | Thompson,R | Demoted to reserve roster | | | Before |
| 6/24/1985 | SOP | O'Neal | Promoted to active roster | | | Before |
| 6/24/1985 | SOP | Welch | Demoted to reserve roster | | | Before |
| 6/27/1985 | HNT | Hurst | Activated from Injured List | | | Before |
| 6/27/1985 | HNT | Trout | Demoted to reserve roster | | | Before |
| 6/27/1985 | QME | Filson | Promoted to active roster | | | Before |
| 6/27/1985 | QME | Guzman | Demoted to reserve roster | | | Before |
| 6/28/1985 | QME | Kearney | Demoted to reserve roster | | | Before |
| 6/28/1985 | QME | Puhl | Promoted to active roster | | | Before |
| 6/28/1985 | ROC | Carlton | Demoted to reserve roster | | | Before |
| 6/28/1985 | ROC | Hoyt | Activated from Injured List | | | Before |
| 6/28/1985 | ROC | Scott,D | Promoted to active roster | | | Before |
| 6/28/1985 | ROC | Tettleton | Demoted to reserve roster | | | Before |
| 7/2/1985 | RIN | Farr | Promoted to active roster | | | Before |
| 7/2/1985 | RIN | Murphy,R | Demoted to reserve roster | | | Before |
| 7/5/1985 | QME | Kearney | Promoted to active roster | | | Before |
| 7/5/1985 | QME | Perconte | Promoted to active roster | | | Before |
| 7/5/1985 | QME | Puhl | Demoted to reserve roster | | | Before |
| 7/5/1985 | QME | Ready | Demoted to reserve roster | | | Before |
| 7/6/1985 | QME | Kearney | Demoted to reserve roster | | | Before |
| 7/6/1985 | QME | Puhl | Promoted to active roster | | | Before |
| 7/8/1985 | ROC | Carew | Promoted to active roster | | | Before |
| 7/8/1985 | ROC | Johnson,C | Demoted to reserve roster | | | Before |
| 7/9/1985 | SAN | Lombardozzi | Demoted to reserve roster | | | Before |
| 7/11/1985 | RIN | Jacoby | Promoted to active roster | | | Before |
| 7/11/1985 | RIN | White,F | Demoted to reserve roster | | | Before |
| 7/12/1985 | ROC | Fingers | Promoted to active roster | | | Before |
| 7/12/1985 | ROC | Wilcox | Demoted to reserve roster | | | Before |
| 7/13/1985 | HNT | Saberhagen | Placed on Injured List | | 7/13/1985 | Before |
| 7/13/1985 | HNT | Trout | Promoted to active roster | | | Before |
| 7/13/1985 | QME | Davis,Jol | Promoted to active roster | | | Before |
| 7/13/1985 | QME | Palmer | Placed on Injured List | | 7/12/1985 | Before |
| 7/14/1985 | AVI | Duncan | Placed on Injured List | | 7/14/1985 | Before |
| 7/14/1985 | AVI | Lee | Promoted to active roster | | | Before |
| 7/15/1985 | TWP | Cey | Activated from Injured List | | | Before |
| 7/15/1985 | TWP | Lamp | Demoted to reserve roster | | | Before |
| 7/15/1985 | TWP | Smithson | Promoted to active roster | | | Before |
| 7/16/1985 | RIN | Bochy | Demoted to reserve roster | | | Before |
| 7/16/1985 | RIN | Laudner | Promoted to active roster | | | Before |
| 7/19/1985 | ROC | Dwyer | Demoted to reserve roster | | | Before |
| 7/19/1985 | ROC | Gamble | Promoted to active roster | | | Before |
| 7/19/1985 | ROC | Howe,S | Promoted to active roster | | | Before |
| 7/19/1985 | ROC | Sutter | Demoted to reserve roster | | | Before |
| 7/21/1985 | TWP | Stanley | Demoted to reserve roster | | | Before |
| 7/22/1985 | RIN | Hassey | Demoted to reserve roster | | | Before |
| 7/22/1985 | RIN | Phelps | Promoted to active roster | | | Before |
| 7/22/1985 | SOP | Darwin | Demoted to reserve roster | | | Before |
| 7/22/1985 | SOP | Mahler,R | Promoted to active roster | | | Before |
| 7/26/1985 | RIN | Clear | Promoted to active roster | | | Before |
| 7/26/1985 | RIN | Horton | Demoted to reserve roster | | | Before |
| 7/27/1985 | AVI | Cary | Demoted to reserve roster | | | Before |
| 7/27/1985 | AVI | Henry | Promoted to active roster | | | Before |
| 7/27/1985 | RIN | Clemens | Demoted to reserve roster | | | Before |
| 7/27/1985 | RIN | Greenwell | Promoted to active roster | | | Before |
| 7/27/1985 | RIN | Grubb | Demoted to reserve roster | | | Before |
| 7/27/1985 | RIN | Schulze | Promoted to active roster | | | Before |
| 7/27/1985 | ROC | Lyons | Promoted to active roster | | | Before |
| 7/27/1985 | ROC | McDowell,O | Demoted to reserve roster | | | Before |
| 7/27/1985 | ROC | Teufel | Demoted to reserve roster | | | Before |
| 7/27/1985 | ROC | Washington,UL | Promoted to active roster | | | Before |
| 7/27/1985 | SAN | Bevacqua | Promoted to active roster | | | Before |
| 7/27/1985 | SAN | Sutcliffe | Demoted to reserve roster | | | Before |
| 7/28/1985 | QME | Clancy | Activated from Injured List | | | Before |
| 7/28/1985 | QME | Clancy | Demoted to reserve roster | | | Before |
| 7/28/1985 | QME | Orsulak | Demoted to reserve roster | | | Before |
| 7/28/1985 | QME | Palmer | Activated from Injured List | | | Before |
| 7/28/1985 | QME | Reynolds,H | Demoted to reserve roster | | | Before |
| 7/28/1985 | QME | Thompson,J | Promoted to active roster | | | Before |
| 7/28/1985 | QME | Whitson | Demoted to reserve roster | | | Before |
| 7/28/1985 | QME | Wilson,W | Promoted to active roster | | | Before |
| 7/29/1985 | AVI | Duncan | Activated from Injured List | | | Before |
| 7/29/1985 | AVI | Ontiveros | Demoted to reserve roster | | | Before |
| 7/29/1985 | HNT | Saberhagen | Activated from Injured List | | | Before |
| 7/29/1985 | HNT | Trout | Demoted to reserve roster | | | Before |
| 7/29/1985 | SAN | Bilardello | Acquired via trade | HAM | | After |
| 7/29/1985 | SOP | Burns | Demoted to reserve roster | | | Before |
| 7/29/1985 | SOP | Daulton | Demoted to reserve roster | | | Before |
| 7/29/1985 | SOP | Dixon | Promoted to active roster | | | Before |
| 7/29/1985 | SOP | Nokes | Promoted to active roster | | | Before |
| 7/31/1985 | HNT | Nipper | Traded away | CST | | After |
| 7/31/1985 | HNT | Quisenberry | Acquired via trade | CST | | After |
| 7/31/1985 | RIN | Brooks | Demoted to reserve roster | | | Before |
| 7/31/1985 | RIN | White,F | Promoted to active roster | | | Before |
| 7/31/1985 | ROC | Berenguer | Acquired via trade | HAM | | After |
| 7/31/1985 | ROC | Buechele | Acquired via trade | HAM | | After |
| 7/31/1985 | ROC | Dayley | Acquired via trade | NOR | | After |
| 7/31/1985 | ROC | Guerrero | Traded away | HAM | | After |
| 7/31/1985 | ROC | Hoyt | Traded away | NOR | | After |
| 7/31/1985 | ROC | Myers | Acquired via trade | HAM | | After |
| 7/31/1985 | SAN | Bilardello | Promoted to active roster | | | Before |
| 7/31/1985 | SAN | Cerone | Placed on Injured List | | 7/29/1985 | Before |
| 7/31/1985 | SAN | Diaz,C | Promoted to active roster | | | Before |
| 7/31/1985 | SOP | Dawson | Acquired via trade | CAR | | After |
| 7/31/1985 | SOP | Parker | Traded away | CAR | | After |
| 8/1/1985 | HNT | Schmidt,D | Demoted to reserve roster | | | Before |
| 8/1/1985 | ROC | Buechele | Promoted to active roster | | | Before |
| 8/2/1985 | AVI | Cowens | Promoted to active roster | | | Before |
| 8/2/1985 | AVI | Lacy | Placed on Injured List | | 8/2/1985 | Before |
| 8/2/1985 | RIN | Bream | Promoted to active roster | | | Before |
| 8/2/1985 | RIN | Ortiz | Demoted to reserve roster | | | Before |
| 8/2/1985 | RIN | Strawberry | Demoted to reserve roster | | | Before |
| 8/2/1985 | RIN | Trevino | Promoted to active roster | | | Before |
| 8/2/1985 | ROC | Davis,R | Demoted to reserve roster | | | Before |
| 8/2/1985 | ROC | Koosman | Promoted to active roster | | | Before |
| 8/2/1985 | TWP | Forster | Promoted to active roster | | | Before |
| 8/5/1985 | RIN | Mazzilli | Promoted to active roster | | | Before |
| 8/5/1985 | RIN | Wilson,M | Placed on Injured List | | 8/5/1985 | Before |
| 8/5/1985 | TWP | Honeycutt | Demoted to reserve roster | | | Before |
| 8/6/1985 | RIN | Davis,Ma | Promoted to active roster | | | Before |
| 8/6/1985 | RIN | McGaffigan | Demoted to reserve roster | | | Before |
| 8/9/1985 | RIN | Farr | Demoted to reserve roster | | | Before |
| 8/9/1985 | RIN | Thompson,R | Promoted to active roster | | | Before |
| 8/9/1985 | ROC | Aguayo | Promoted to active roster | | | Before |
| 8/9/1985 | ROC | Buechele | Demoted to reserve roster | | | Before |
| 8/9/1985 | ROC | Johnson,H | Demoted to reserve roster | | | Before |
| 8/9/1985 | ROC | Trillo | Promoted to active roster | | | Before |
| 8/10/1985 | TWP | Butcher | Promoted to active roster | | | Before |
| 8/10/1985 | TWP | Eckersley | Demoted to reserve roster | | | Before |
| 8/10/1985 | TWP | Langston | Demoted to reserve roster | | | Before |
| 8/10/1985 | TWP | Romanick | Promoted to active roster | | | Before |
| 8/10/1985 | TWP | Sisk | Promoted to active roster | | | Before |
| 8/13/1985 | RIN | Bryant | Promoted to active roster | | | Before |
| 8/13/1985 | RIN | Deer | Demoted to reserve roster | | | Before |
| 8/14/1985 | RIN | Phelps | Demoted to reserve roster | | | Before |
| 8/14/1985 | RIN | Strawberry | Promoted to active roster | | | Before |
| 8/14/1985 | ROC | Davis,R | Promoted to active roster | | | Before |
| 8/14/1985 | ROC | Koosman | Placed on Injured List | | 8/14/1985 | Before |
| 8/15/1985 | RIN | Brooks | Promoted to active roster | | | Before |
| 8/15/1985 | RIN | Clemens | Promoted to active roster | | | Before |
| 8/15/1985 | RIN | Knight | Demoted to reserve roster | | | Before |
| 8/15/1985 | RIN | Ojeda | Demoted to reserve roster | | | Before |
| 8/15/1985 | SOP | Lopes | Placed on Injured List | | 8/14/1985 | Before |
| 8/15/1985 | SOP | Stein | Promoted to active roster | | | Before |
| 8/18/1985 | AVI | Boever | Promoted to active roster | | | Before |
| 8/18/1985 | AVI | Cowens | Demoted to reserve roster | | | Before |
| 8/18/1985 | AVI | Henry | Demoted to reserve roster | | | Before |
| 8/18/1985 | AVI | Lacy | Activated from Injured List | | | Before |
| 8/18/1985 | RIN | Lucas | Demoted to reserve roster | | | Before |
| 8/18/1985 | RIN | McGaffigan | Promoted to active roster | | | Before |
| 8/18/1985 | SAN | Dykstra | Demoted to reserve roster | | | Before |
| 8/18/1985 | SAN | Landreaux | Promoted to active roster | | | Before |
| 8/18/1985 | SOP | Harper,B | Promoted to active roster | | | Before |
| 8/18/1985 | SOP | Phillips | Demoted to reserve roster | | | Before |
| 8/20/1985 | ROC | Stubbs | Promoted to active roster | | | Before |
| 8/20/1985 | ROC | Thompson,M | Demoted to reserve roster | | | Before |
| 8/24/1985 | RIN | Greenwell | Demoted to reserve roster | | | Before |
| 8/24/1985 | RIN | Grubb | Promoted to active roster | | | Before |
| 8/24/1985 | ROC | Berenguer | Promoted to active roster | | | Before |
| 8/24/1985 | ROC | Carlton | Promoted to active roster | | | Before |
| 8/24/1985 | ROC | Fingers | Demoted to reserve roster | | | Before |
| 8/24/1985 | ROC | Howe,S | Demoted to reserve roster | | | Before |
| 8/24/1985 | ROC | McClure | Demoted to reserve roster | | | Before |
| 8/24/1985 | ROC | Sutter | Promoted to active roster | | | Before |
| 8/25/1985 | SOP | Dayett | Promoted to active roster | | | Before |
| 8/25/1985 | SOP | Dixon | Demoted to reserve roster | | | Before |
| 8/25/1985 | SOP | Sebra | Promoted to active roster | | | Before |
| 8/25/1985 | SOP | Young,Mi | Demoted to reserve roster | | | Before |