Padres Roster & Staff
Transactions
| Date | Transaction |
| 12/31/15 | San Diego Padres signed free agent RHP Derek Eitel to a minor league contract. |
| 12/29/15 | San Diego Padres signed free agent C Miguel Del Castillo to a minor league contract. |
| 12/28/15 | San Diego Padres signed free agent LF D'Arby Myers to a minor league contract. |
| 12/24/15 | San Diego Padres released RHP Marcos Mateo. |
| 12/23/15 | San Diego Padres signed free agent SS Yordi Francisco to a minor league contract. |
| 12/23/15 | Milwaukee Brewers claimed C Josmil Pinto off waivers from San Diego Padres. |
| 12/21/15 | San Diego Padres signed free agent LHP Buddy Baumann. |
| 12/21/15 | San Diego Padres designated C Josmil Pinto for assignment. |
| 12/21/15 | San Diego Padres released RHP Jay Jackson. |
| 12/19/15 | San Diego Padres signed free agent RHP Jose Dominguez to a minor league contract and invited him to spring training. |
| 12/16/15 | San Diego Padres signed free agent RHP Carlos Pimentel to a minor league contract and invited him to spring training. |
| 12/15/15 | San Diego Padres signed free agent RHP Fabio Castillo to a minor league contract. |
| 12/14/15 | San Diego Padres signed free agent RHP Adam Lopez to a minor league contract. |
| 12/14/15 | San Diego Padres signed free agent RHP Brandon Morrow to a minor league contract and invited him to spring training. |
| 12/10/15 | Colorado Rockies traded RHP Luis Perdomo to San Diego Padres for Future Considerations. |
| 12/10/15 | Oakland Athletics traded LF Jabari Blash to San Diego Padres. To complete the December 2 trade. |
| 12/10/15 | Atlanta Braves traded C Christian Bethancourt to San Diego Padres for RHP Casey Kelly and C Ricardo Rodriguez. |
| 12/10/15 | Atlanta Braves traded C Christian Bethancourt to San Diego Padres for RHP Casey Kelly and C Ricardo Rodriguez. |
| 12/10/15 | Atlanta Braves traded C Christian Bethancourt to San Diego Padres for RHP Casey Kelly and C Ricardo Rodriguez. |
| 12/10/15 | San Diego Padres claimed RHP Josh Martin off waivers from Cleveland Indians. |
| 12/10/15 | San Diego Padres claimed Blake Smith off waivers from Chicago White Sox. |
| 12/08/15 | San Diego Padres traded 3B Jedd Gyorko and cash to St. Louis Cardinals for CF Jon Jay. |
| 12/08/15 | San Diego Padres traded 3B Jedd Gyorko and cash to St. Louis Cardinals for CF Jon Jay. |
| 12/08/15 | San Diego Padres signed free agent LHP Ryan Buchter to a minor league contract. |
| 12/08/15 | San Diego Padres signed free agent C Rocky Gale to a minor league contract and invited him to spring training. |
| 12/06/15 | San Diego Padres signed free agent LHP Frank Garces to a minor league contract and invited him to spring training. |
| 12/02/15 | 3B Will Middlebrooks elected free agency. |
| 12/02/15 | San Diego Padres traded LHP Marc Rzepczynski and 1B Yonder Alonso to Oakland Athletics for LHP Drew Pomeranz, LHP Jose Torres and Player To Be Named Later. |
| 12/02/15 | LHP Frank Garces elected free agency. |
| 12/02/15 | San Diego Padres traded LHP Marc Rzepczynski and 1B Yonder Alonso to Oakland Athletics for LHP Drew Pomeranz, LHP Jose Torres and Player To Be Named Later. |
| 12/02/15 | San Diego Padres traded LHP Marc Rzepczynski and 1B Yonder Alonso to Oakland Athletics for LHP Drew Pomeranz, LHP Jose Torres and Player To Be Named Later. |
| 12/02/15 | San Diego Padres traded LHP Marc Rzepczynski and 1B Yonder Alonso to Oakland Athletics for LHP Drew Pomeranz, LHP Jose Torres and Player To Be Named Later. |
| 12/02/15 | C Rocky Gale elected free agency. |