From BR Bullpen
|2003 in baseball|
|2003 National League|
|Cuban National League|
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 Season summary
- An asterisk (*) indicates the team won its league's wild card, Bold indicates league champion, Italics indicates World Series champion
|Rank||Team||G||W||L||T||WPCT||GB||RS (RS/G)||RA (RA/G)||AVG||OBP||SLG||ERA||FPCT|
|1||Chicago Cubs||162||88||74||0||.543||-.-||724 (4.47)||683 (4.22)||0.259||0.323||0.416||3.83||0.983|
|2||Houston Astros||162||87||75||0||.537||1.0||805 (4.97)||677 (4.18)||0.263||0.336||0.431||3.86||0.985|
|3||St. Louis Cardinals||162||85||77||0||.525||3.0||876 (5.41)||796 (4.91)||0.279||0.350||0.454||4.60||0.987|
|4||Pittsburgh Pirates||162||75||87||0||.463||13.0||753 (4.65)||801 (4.94)||0.267||0.338||0.420||4.64||0.980|
|5||Cincinnati Reds||162||69||93||0||.426||19.0||694 (4.28)||886 (5.47)||0.245||0.318||0.395||5.09||0.977|
|6||Milwaukee Brewers||162||68||94||0||.420||20.0||714 (4.41)||873 (5.39)||0.256||0.329||0.419||5.02||0.981|
|1||Atlanta Braves||162||101||61||0||.623||-.-||907 (5.60)||740 (4.57)||0.284||0.349||0.475||4.10||0.981|
|2||Florida Marlins*||162||91||71||0||.562||10.0||751 (4.64)||692 (4.27)||0.266||0.333||0.421||4.04||0.987|
|3||Philadelphia Phillies||162||86||76||0||.531||15.0||791 (4.88)||697 (4.30)||0.261||0.343||0.419||4.04||0.984|
|4||Montreal Expos||162||83||79||0||.512||18.0||711 (4.39)||716 (4.42)||0.258||0.326||0.401||4.01||0.983|
|5||New York Mets||161||66||95||0||.410||34.5||642 (3.99)||754 (4.68)||0.247||0.314||0.374||4.48||0.980|
|1||San Francisco Giants||161||100||61||0||.621||-.-||755 (4.69)||638 (3.96)||0.264||0.338||0.425||3.73||0.987|
|2||Los Angeles Dodgers||162||85||77||0||.525||15.5||574 (3.54)||556 (3.43)||0.243||0.303||0.368||3.16||0.981|
|3||Arizona Diamondbacks||162||84||78||0||.519||16.5||717 (4.43)||685 (4.23)||0.263||0.330||0.417||3.84||0.983|
|4||Colorado Rockies||162||74||88||0||.457||26.5||853 (5.27)||892 (5.51)||0.267||0.344||0.445||5.20||0.981|
|5||San Diego Padres||162||64||98||0||.395||36.5||678 (4.19)||831 (5.13)||0.261||0.333||0.388||4.87||0.983|
 League leaders
- Bold indicates league record, Italics indicate all-time record
 All-Star Game
The 2003 National League playoffs featured the champions of the league's three divisions along with a wild card team. The teams competed in a best-of-five Division Series, followed by a best-of-seven League Championship Series. The winner of the League Championship Series represented the league in the World Series.
|Division Series||Championship Series|
|West.||San Francisco Giants||1|
 Award winners
The winner of the league's Most Valuable Player Award, given its Most Valuable Player, was Barry Bonds, an outfielder with the San Francisco Giants. In the award's voting, he had 426 out of a possible 448 points and 28 first place votes.
The winner of the league's Rookie of the Year Award, given its best rookie player, was Dontrelle Willis, a pitcher with the Florida Marlins. In the award's voting, he had 118 out of a possible 160 points and 17 first place votes.
 Gold Gloves
The following players won the Gold Glove Award, given to the league's best fielders as voted upon by its managers and coaches, at their respective position.
 Silver Sluggers
The following players won the Silver Slugger Award, given to the league's best fielders as voted upon by its managers and coaches, at their respective position.
 Hall of Fame Game
The fifty-seventh annual Hall of Fame Game was played on June 16 at Doubleday Field in Cooperstown, NY near the National Baseball Hall of Fame. In the game, the National League's Philadelphia Phillies defeated the Tampa Bay Devil Rays of the American League by a score of 7 to 5.
 Notable events