| Trades Preseason 2004 | ||||
| Eff Date | Team | Player | Team | Player |
| 5-Jan | SLW | Linebrink, Scott | JVM | Trachsel, Steve |
| SBF 2nd (05) | White, Gabe | |||
| JVM 6th (05) | ||||
| 7-Jan | CHG | Sele, Aaron | SAS | Gil, Geronimo |
| 7-Jan | GRD | BGC 6th | SAS | Clark, Tony |
| 13-Jan | MLM | MLM 3rd | APP | Chacon, Shawn |
| Conine, Jeff | Gordon, Tom | |||
| 15-Jan | MLM | PHH 2nd | ASH | Rogers, Kenny |
| 16-Jan | MLM | BGC 1st | JVM | Milwood, Kevin |
| 16-Jan | SBF | SBF 4th (05) | APP | Reynolds, Shane |
| SBF 5th (05) | Vaughn, Greg | |||
| Williams, Matt | Miller, Corky | |||
| 30-Jan | SLW | Boone, Aaron | BBB | Blake, Casey |
| GRD 7th | BBB 4th (05) | |||
| 15-Feb | SLW | Reed, Steve | PHH | Vander Wal, John |
| PHH 5th | ||||
| 18-Feb | SLW | SSS 4th | ASH | Benitez, Armando |
| APP 5th | Hammond, Chris | |||
| SDS 5th | ||||
| 25-Feb | BBB | Munson, Eric | ASH | ASH 3rd |
| ASH 5th | ||||
| 27-Feb | APP | APP 1st | AAA | Suppan, Jeff |
| APP 7th | Matos, Luis | |||
| AAA 2nd | ||||
| 28-Feb | BBB | Farnsworth, Kyle | WTV | Cressend, Jack |
| 28-Feb | APP | Eckstein, David | MLM | Sasaki, Kaz |
| Dessens, Elmer | ||||
| 28-Feb | MSM | MSM 7th | WRC | WRC 6th |
| SLW 7th | ||||
| 28-Feb | SLW | SBF 6th | APP | APP 4th (05) |
| GRD 6th | ||||
| PHH 7th | ||||
| 28-Feb | APP | Utley, Chase | MLM | Freel, Ryan |
| Koch, Billy | ||||
| Smith, Bud | ||||
| 28-Feb | MLM | Rivera, Mike | SLW | SLW 7th (05) |
| MLM 8th | ||||
| 1-Mar | MLM | De Los Santos, Valerio | SBF | SBF 6th (05) |
| Hernandez, Orlando | ||||
| 1-Mar | SLW | GRD 6th (05) | APP | APP 8th |
| APP 9th | ||||
| APP 10th | ||||
| 2-Mar | BGC | BGC 6th (05) | MSM | Parris, Steve |
| Mecir, Jim | ||||
| Glanville, Doug | ||||
| 2-Mar | WRC | WRC 8th (05) | SAS | SAS 9th |
| SAS 10th | ||||
| 3-Mar | BFG | BFG 8th | BGC | BGC 7th (05) |
| BFG 9th | ||||
| BFG 10th | ||||
| 3-Mar | SLW | APP 9th | MIR | MIR 8th |
| APP 10th | ||||
| 4-Mar | MLM | Sanchez, Duaner | GRD | GRD 7th (05) |
| 4-Mar | SLW | VanderWal, John | SSS | SSS 5th (05) |
| Haselman, Bill | ||||
| ALL PICKS HENCEFORTH ARE FOR 2005!!! | ||||
| 7-Mar | WRC | WRC 7th | MAM | Rusch, Glendon |
| Febles, Carlos | ||||
| 8-Mar | SBF | Ward, Daryl | GRD | Wilson, Vance |
| Myers, Greg | ||||
| 9-Mar | SCD | Halama, John | PHH | Hocking, Denny |
| Grimsley, Jason | PHH 7th | |||
| Osik, Keith | ||||
| 9-Mar | SBF | SBF 7th | WTV | Daal, Omar |
| 9-Mar | SLW | White, Gabe | MIR | Pellow, Kit |
| SLW 6th | Tankersley, Dennis | |||
| 10-Mar | SBF | Escobar, Alex | BCB | Martinez, Edgar |
| 10-Mar | SLW | JVM 6th | WTV | Sparks, Steve |
| Paul, Josh | ||||
| 10-Mar | SLW | Guthrie, Mark | MLM | Stephens, John |
| Wayne, Justin | ||||
| 11-Mar | SLW | Hoffman, Trevor | SBF | SBF 8th |
| SBF 9th | ||||
| SBF 10th | ||||
| 13-Mar | SLW | Sparks, Steve | Chavez, Raul | |
| Mirabelli, Doug | SSS 3rd | |||
| 14-Mar | BCB | BCB 6th | MLM | Guthrie, Mark |
| 14-Mar | SLW | Norton, Greg | SDS | SDS 6th |
| Trades In-Season 2004 | ||||
| Eff Date | Team | Player | Team | Player |
| 29-Apr | SLW | DePaula, Jorge | ASH | Robinson, Kerry |
| 20-May | CHG | Fox, Chad | AAA | Owens, Eric |
| 14-Jul | BBD | Sexson, Richie | SLW | Sosa, Sammy |
| Marrero, Eli | Rivera, Mike | |||
| Acevado, Juan | Chavez, Raul | |||
| SBF 8th | ||||
| 16-Jul | SLW | Howard, Ben | SBF | Sierra, Ruben |
| Robinson, Kerry | LaRoca, Greg | |||
| 17-Jul | SLW | Lugo, Julio | GRD | Guzman, Christian |
| Blake, Casey | Castilla, Vinny | |||
| Phelps, Josh | Jones, Chipper | |||
| Marrero, Eli | Myers, Greg | |||
| Miller, Wade | Johnson, Randy | |||
| Wayne, Justin | Leskanic, Curtis | |||
| SLW 2nd | ||||
| 19-Jul | SLW | Jones, Chipper | BBD | Sosa, Sammy |
| Sierra, Ruben | Vitiello, Joe | |||
| Leskanic, Curtis | Redman, Prentice | |||
| 21-Jul | GRD | Lugo, Julio | Gonzalez, Alex A. | |
| Heilman, Aaron | Helms, Wes | |||
| Clark, Tony | Restovich, Michael | |||
| 22-Jul | GRD | Halladay, Roy | SBF | Oswalt, Roy |
| Green, Shawn | Benson, Kris | |||
| Guardado, Eddie | Ledee, Rickey | |||
| 30-Jul | MIR | Ryan, Mike | BBB | BBB 5th |
| 8-Aug | CHG | Gil, Geronimo | MLM | Guzman, Edwards |
| 12-Sep | SLW | Acevado, Juan | ASH | Franco, Julio |
| Journell, Jim | Burba, Dave | |||
| Vitiello, Joe | ||||
| Trades Post-Season 2004 | ||||
| Eff Date | Team | Player | Team | Player |
| 20-Nov | SLW | Moyer, Jamie | SDS | Miller, Trevor |
| Levine, Al | SDS 4th | |||
| 24-Nov | SBF | Leiter, Al | SAS | Brazelton, Dewon |
| Looper, Braden | Gobble, Jimmy | |||
| Robinson, Kerry | Harris, Willie | |||
| 29-Nov | SBF | Green, Shawn | MLM | Zito, Barry |
| Halladay, Roy | Contreras, Jose | |||
| Choi, Hee Sop | ||||
| MLM 4th | ||||
| MLM 9th | ||||
| MLM 10th | ||||
| 29-Nov | SLW | Sosa, Sammy | SBF | Hoffman, Trevor |
| Burba, Dave | Gonzalez, Juan | |||
| Eischen, Joey | Mondesi, Raul | |||
| SBF 9th | ||||
| SBF 10th | ||||
| 29-Nov | MLM | Milwood, Kevin | BFG | Crawford, Carl |
| MLM 1st | BFG 3rd | |||
| 30-Nov | SBF | Hernandez, Orlando | BBB | Haren, Danny |
| George, Chris | ||||
| Hummell, Tim | ||||
| BBB 9th | ||||
| 30-Nov | WRC | Konerko, Paul | AAA | Pena,Carlos |
| Infante, Omar | ||||
| AAA 2nd | ||||
| 30-Nov | SLW | Counsell, Craig | WRC | Lawton, Matt |
| Wellemeyer, Todd | Brower, Jim | |||
| SLW 3rd | Ojeda, Miguel | |||
| BBB 4th | ||||
| SLW 8th | ||||
| SLW 9th | ||||
| SLW 10th | ||||
| 2-Dec | GRD | Marrero, Eli | MLM | Byrd, Marlon |
| Kim, Byung-Hyun | ||||
| 2-Dec | SLW | Lawton, Matt | SDS | Cameron, Mike |
| Pellow, Kit | SDS 8th | |||
| SDS 6th | ||||
| 4-Dec | MLM | Sweeney, Mike | ASH | Delgado, Carlos |
| Wilson, Preston | ASH 3rd | |||
| Eckstein, David | ||||
| 8-Dec | GRD | Oswalt, Roy | SAS | Robertson, Nate |
| Blake, Casey | Hinske, Eric | |||
| Cordero, Francisco | Werth, Jayson | |||
| GRD 9th | SAS 1st | |||
| GRD 10th | SAS 3rd | |||
| SAS 4th | ||||
| 18-Dec | MLM | Capuano, Chris | BFG | Jiminez, D'Angelo |
| Cordero, Chad | BFG 5th | |||