| 2025 pre-season |
| | MLR trades Michael CONFORTO and Sean MANAEA to STM for Tanner HOUCK, Jarred KELENIC, 2025 RYE#6 and 2026 STM#3 |
| | LVG trades Carson KELLY to IND for TJ FRIEDL |
| | MAR trades Orlando ARCIA and Dominic SMITH to WAR for 2025 MID#4 |
| | STM trades 2025 RIV#3, 2025 WAR#4 and 2025 MID#4 to WAR for Tayler SCOTT and Spencer TURNBULL |
| | BRO trades Jack FLAHERTY and 2025 BRO#6 to BH for Gavin SHEETS and 2025 BH#2 |
| | BRO trades Craig KIMBREL and 2025 RIV#3 to STM for Ryan YARBROUGH |
| | BRO trades 2025 ZIO#5 to RYE for Ronny MAURICIO |
| | RIV trades Yusei KIKUCHI to LVG for Matthew LIBERATORE, Patrick SANDOVAL, 2025 IND#5 and 2025 LVG#6 |
| | WAR trades Erick FEDDE to NW for Jordan HICKS, Alec MARSH and 2025 NW#2 |
| | NW trades Oneil CRUZ to RCK for Tyler STEPHENSON |
| | RIV trades 2025 MAR#6 and 2026 CAY#3 to NW for Colin REA |
| | RIV trades Gerrit COLE to BRO for Korey LEE and 2025 BRO#3 |
| | CAY trades Nick ANDERSON and John BREBBIA to WAR for 2026 WAR#8 |
| | CAY trades 2025 CAY#7 and 2026 CAY#2 to WHT for Michael LORENZEN |
| | CAY trades Daulton VARSHO, Taylor WALLS, 2025 MLR#2 and 2026 CAY#3 to RIV for Cody BELLINGER and Jeff HOFFMAN |
| | WHT trades Miguel ROJAS to BH for 2025 BH#4 |
| | STM trades Austin BARNES, 2025 STM#7 and 2026 STM#5 to WHT for Jacob STALLINGS |
| | STM trades Chase ANDERSON, Jose TREVINO and 2025 STM#9 to RIV for Kyle HIGASHIOKA |
| | NBO trades 2026 NBO#8 to CAY for Luis URIAS |
| 2024 transactions |
| 2023 transactions |
| 2022 transactions |
| 2021 transactions |
| 2020 transactions |
| 2019 transactions |
| 2018 transactions |
| 2017 transactions |
| 2016 transactions |
| 2015 transactions |
| 2014 transactions |
| 2013 transactions |
| 2012 transactions |
| 2011 transactions |
| 2010 transactions |
| 2009 transactions |
| 2008 transactions |
| 2007 transactions |
| 2006 transactions |
| 2005 transactions |
| 2004 transactions |
| 2003 transactions |
| 2002 transactions |
| 2002 mid-season |
| | ROC drops Bill PULSIPHER |
| | LV drops Scott SHELDON |
| | BRO drops Mark McGWIRE |
| | BH drops Paul RIGDON |
| | HUD trades Dean PALMER to BRO for Roosevelt BROWN and 2003 LV#6 |
| | HUD trades Corey PATTERSON and 2003 HUD#3 to DAL for Shannon STEWART and 2003 DAL#4 |
| | HUD trades Bobby JONES and 2003 HUD#2 to MEL for Kirk RUETER |
| | DAL trades Rich AURILIA and Bob WICKMAN to ROC for Placido POLANCO and 2004 ROC#2 |
| | MUN trades Miguel BATISTA and 2003 MUN#5 to BRO for Jose CABRERA and 2003 BRO#2 |
| | BRO trades 2003 BRO#7 to RIC for Jose CABRERA |
| | MAH trades Delino DeSHIELDS to GOH for Jose SANTIAGO |
| | BH trades 2003 BH#4 and 2003 BH#5 to EA for Darryl KILE |
| | LV trades Orlando MERCED and 2003 LV#3 to KNX for Jack CRESSEND and Victor ZAMBRANO |