Tm links to franchise history.
Division links to team status for 2003
Team Name links to list of players who played for that team during 2003 sorted by career value
| Tm | Div | Team Name | W-L | |
|---|---|---|---|---|
| CHN | NLC | Chicago Cubs | 88-74 | NLCS |
| CIN | NLC | Cincinnati Reds | 69-93 | |
| HOU | NLC | Houston Astros | 87-75 | |
| MIL | NLC | Milwaukee Brewers | 68-94 | |
| PIT | NLC | Pittsburgh Pirates | 75-87 | |
| SLN | NLC | St. Louis Cardinals | 85-77 | |
| ARI | NLW | Arizona Diamondbacks | 84-78 | |
| COL | NLW | Colorado Rockies | 74-88 | |
| LAN | NLW | Los Angeles Dodgers | 85-77 | |
| SDN | NLW | San Diego Padres | 64-98 | |
| SFN | NLW | San Francisco Giants | 100-61 | NLDS |
| ATL | NLE | Atlanta Braves | 101-61 | NLDS |
| MIA | NLE | Florida Marlins | 91-71 | WS WIN |
| NYN | NLE | New York Mets | 66-95 | |
| PHI | NLE | Philadelphia Phillies | 86-76 | |
| WAS | NLE | Montreal Expos | 83-79 | |
| CHA | ALC | Chicago White Sox | 86-76 | |
| CLE | ALC | Cleveland Indians | 68-94 | |
| DET | ALC | Detroit Tigers | 43-119 | |
| KCA | ALC | Kansas City Royals | 83-79 | |
| MIN | ALC | Minnesota Twins | 90-72 | ALDS |
| ANA | ALW | Anaheim Angels | 77-85 | |
| OAK | ALW | Oakland Athletics | 96-66 | ALDS |
| SEA | ALW | Seattle Mariners | 93-69 | |
| TEX | ALW | Texas Rangers | 71-91 | |
| BAL | ALE | Baltimore Orioles | 71-91 | |
| BOS | ALE | Boston Red Sox | 95-67 | ALCS |
| NYA | ALE | New York Yankees | 101-61 | WS LOSE |
| TBA | ALE | Tampa Bay Devil Rays | 63-99 | |
| TOR | ALE | Toronto Blue Jays | 86-76 |
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