| Date | Player | Pos. | Transaction |
| 5/9 | Ramon Castro | C | Recalled From Minors, Rehab Assignment |
| 5/9 | Raul Casanova | C | Designated for Assignment |
| 5/9 | Ramon Castro | C | Removed From 15-Day DL, (Strained right hamstring) |
| 5/3 | Matt Wise | P | Sent to Minors, For Rehabilitation |
| 5/2 | Moises Alou | LF | Removed From 15-Day DL, (Hernia surgery - out 6-8 weeks) |
| 5/2 | Gustavo Molina | C | Sent to Minors |
| 5/2 | Moises Alou | LF | Recalled From Minors, Rehab Assignment |
| 4/29 | Val Pascucci | RF | Signed to a Minor League Contract |
| 4/28 | Ramon Castro | C | Sent to Minors, For Rehabilitation |
| 4/24 | Brady Clark | LF | Designated for Assignment |
| 4/24 | Gustavo Molina | C | Purchased From Minors |
| 4/22 | Eude Brito | P | Signed to a Minor League Contract |
| 4/20 | Moises Alou | LF | Sent to Minors, For Rehabilitation |
| 4/15 | Carlos Muniz | P | Sent to Minors |
| 4/15 | Duaner Sanchez | P | Recalled From Minors, Rehab Assignment |
| 4/15 | Duaner Sanchez | P | Removed From 15-Day DL, (Recovery from right shoulder surgery) |
| 4/10 | Claudio Vargas | P | Signed to a Minor League Contract |
| 4/8 | Carlos Muniz | P | Called Up from Minors |
| 4/8 | Matt Wise | P | Placed on 15-Day DL, (Right forearm contusion) |
| 4/4 | Duaner Sanchez | P | Sent to Minors, For Rehabilitation |
| 4/3 | Brian Stokes | P | Outrighted to Minors |
| 4/3 | Orlando Hernandez | P | Sent to Minors, For Rehabilitation |
| 4/2 | Pedro Martinez | P | Placed on 15-Day DL, (Left hamstring strain - out 4-6 weeks) |
| 4/2 | Nelson Figueroa | P | Purchased From Minors |
| 3/30 | Raul Casanova | C | Purchased From Minors |
| 3/30 | Brian Stokes | P | Designated for Assignment |
| 3/30 | Duaner Sanchez | P | Placed on 15-Day DL, (Recovery from right shoulder surgery) |
| 3/30 | Ramon Castro | C | Placed on 15-Day DL, (Strained right hamstring) |
| 3/30 | Brady Clark | LF | Purchased From Minors |
| 3/30 | Orlando Hernandez | P | Placed on 15-Day DL, (Recovery from right foot surgery) |
| 3/23 | Jason Vargas | P | Placed on 15-Day DL, (Recovery from left hip surgery) |
| 3/23 | Moises Alou | LF | Placed on 15-Day DL, (Hernia surgery - out 6-8 weeks) |
| 3/23 | Ambiorix Burgos | P | Placed on 15-Day DL, (Recovery from right elbow surgery) |
| 3/15 | Ruddy Lugo | P | Sent to Minors |
| 3/13 | Willie Collazo | P | Sent to Minors |
| 3/13 | Carlos Muniz | P | Sent to Minors |
| 2/27 | Shawn Green | RF | Retired |
| 2/22 | Oliver Perez | P | Signed, ( 2008)(wins arbitration) |
| 2/15 | Brady Clark | LF | Signed to a Minor League Contract |
| 2/14 | Ben Johnson | LF | Signed to a Minor League Contract |
| 2/12 | Olmedo Saenz | 1B | Signed to a Minor League Contract |
| 2/11 | Tony Armas | P | Signed to a Minor League Contract |
| 2/7 | Ryan Church | LF | Signed, ( 2008)(avoids arbitration) |
| 2/2 | Jorge Sosa | P | Signed, ( 2008) |
| 2/2 | Johan Santana | P | Traded From, Minnesota (five-player deal) |
| 2/2 | Johan Santana | P | Signed, ( 2008-2013; Opt 2014)(six-year extension) |
| 2/1 | Pedro Feliciano | P | Signed, ( 2008)(avoids arbitration) |
| 1/30 | Ruddy Lugo | P | Acquired Off Waivers From, Oakland |
| 1/23 | Ricardo Rincon | P | Signed to a Minor League Contract |
| 1/22 | Endy Chavez | LF | Signed, ( 2008-2009)(two-year extension, avoids arbitration) |
| 1/18 | Aaron Heilman | P | Signed, ( 2008)(avoids arbitration) |
| 1/18 | Jose Valentin | 2B | Signed to a Minor League Contract |
| 1/15 | Jose Valentin | 2B | Signed to a Minor League Contract |
| 1/7 | Andy Cavazos | P | Signed to a Minor League Contract |
| 1/7 | Jose Diaz | P | Signed to a Minor League Contract |
| 1/7 | Anderson Machado | | Signed to a Minor League Contract |
| 1/7 | Duaner Sanchez | P | Signed, ( 2008)(avoids arbitration) |
| 1/5 | Angel Pagan | CF | Traded From, Chi. Cubs (for RHP Ryan Meyers and OF Corey Coles) |
| 12/22 | Juan Padilla | P | Signed to a Minor League Contract |
| 12/18 | Matt Wise | P | Signed as Free Agent, ( 2008) |
| 12/12 | Nate Field | P | Signed to a Minor League Contract |
| 12/12 | Raul Casanova | C | Signed to a Minor League Contract |
| 12/12 | Juan Padilla | P | Not Offered Contract and Became Free Agent, (non-tendered) |
| 12/12 | Ben Johnson | LF | Not Offered Contract and Became Free Agent, (non-tendered) |
| 12/12 | Gustavo Molina | C | Signed to a Minor League Contract |
| 12/12 | Johnny Estrada | C | Not Offered Contract and Became Free Agent, (non-tendered) |
| 11/30 | Brian Schneider | C | Traded From, Washington (w/Ryan Church for OF Lastings Milledge) |
| 11/30 | Ryan Church | LF | Traded From, Washington (for OF Lastings Milledge) |
| 11/28 | Brian Stokes | P | Traded From, Tampa Bay (for cash considerations) |
| 11/20 | Johnny Estrada | C | Traded From, Milwaukee (for RHP Guillermo Mota) |
| 11/18 | Luis Castillo | 2B | Signed as Free Agent, ( 2008-2011)(four-year contract) |
| 11/16 | Ramon Castro | C | Signed as Free Agent, ( 2008-2009)(two-year contract) |
| More Transactions |
| Posted Sun May 11 20:05:01 EDT 2008 |
