| Earned run average | | Strikeouts | | Walks |
| | | | | | | | | | |
Hudson | Lou | 2.37 | | Prior | Pur | 265 | | Ishii | Mar | 110 |
Martinez | Mar | 2.52 | | Wood | Pur | 246 | | Ortiz | Hub | 97 |
Brown | Sox | 2.72 | | Martinez | Mar | 230 | | Franklin | Pos | 94 |
Thomson | Lon | 2.76 | | Vazquez | Ari | 229 | | Wood | Pur | 89 |
Redman | Tex | 2.85 | | Schmidt | Lak | 228 | | Wells | Cha | 87 |
Pettitte | Roc | 2.92 | | Brown | Sox | 201 | | Miller | Fre | 86 |
Ponson | Mar | 2.93 | | Schilling | Lou | 193 | | Perez | Tri | 84 |
May | Fre | 2.97 | | Pettitte | Roc | 193 | | Hampton | Roa | 84 |
Ohka | Tex | 3.04 | | Loaiza | Roa | 189 | | Wolf | Chi | 84 |
Schmidt | Lak | 3.05 | | Eaton | Chi | 183 | | Zambrano | Cal | 82 |
| | | | | | | | | | |
| | | | | | | | | | |
Wins | | Winning percentage | | Average run support |
| | | | | | | | | | |
Zito | Lou | 23-3 | | Wakefield | Cha | .905 | | Zito |
Lou | 8.0 |
Hudson | Lou | 21-3 | | Zito |
Lou | .885 | | Williams | Lou | 7.6 |
Williams | Lou | 21-4 | | Hudson | Lou | .875 | | Eaton | Chi | 6.2 |
Thomson | Lon | 20-8 | | Williams | Lou | .840 | | Lohse | Lak | 6.1 |
Wakefield | Cha | 19-2 | | D'Amico | Lon | .813 | | D'Amico | Lon | 6.0 |
Miller | Fre | 19-7 | | Helling | Sox | .800 | | Hampton | Roa | 5.9 |
Eaton | Chi | 19-9 | | Lohse | Lak | .778 | | Johnson | Ind | 5.7 |
Pettitte | Roc | 19-10 | | Hentgen | Lon | .750 | | Schilling | Lou | 5.7 |
Brown | Sox | 17-8 | | Miller | Fre | .731 | | Brown | Sox | 5.6 |
Vazquez | Ari | 17-11 | | Riske | Pur | .722 | | Davis | Wil | 5.5 |
| | | | | | | | | | |
| | | | | | | | | | |
Batting average | | On-base percentage | | Slugging percentage |
| | | | | | | | | | |
Wood | Pur | .208 | | May | Fre | .252 | | Martinez | Mar | .311 |
May | Fre | .210 | | Hudson | Lou | .271 | | Hudson | Lou | .311 |
Martinez | Mar | .212 | | Schmidt | Lak | .272 | | Webb | Roc | .332 |
Wakefield | Cha | .212 | | Thomson | Lon | .274 | | Wood | Pur | .334 |
Miller | Fre | .214 | | Halladay | Sox | .277 | | Pettitte | Roc | .334 |
Webb | Roc | .219 | | Martinez | Mar | .278 | | Brown | Sox | .336 |
Schmidt | Lak | .221 | | Prior | Pur | .279 | | Wakefield | Cha | .343 |
Ponson | Mar | .222 | | Wakefield | Cha | .281 | | Ponson | Mar | .345 |
Prior | Pur | .224 | | Pavano | Fre | .283 | | Redman | Tex | .345 |
Hudson | Lou | .226 | | Ponson | Mar | .285 | | Schmidt | Lak | .350 |
| | | | | | | | | | |
| | | | | | | | | | |
Hits per 9 innings | | Walks per 9 innings | | Runners per 9 innings |
| | | | | | | | | | |
Wood | Pur | 6.8 | | Wells | Roc | 1.3 | | May | Fre | 8.9 |
Wakefield | Cha | 6.9 | | Maddux | Dah | 1.4 | | Hudson | Lou | 9.6 |
May | Fre | 6.9 | | Thomson | Lon | 1.4 | | Thomson | Lon | 9.8 |
Martinez | Mar | 7.0 | | Halladay | Sox | 1.4 | | Schmidt | Lak | 9.9 |
Miller | Fre | 7.1 | | Radke | Tri | 1.5 | | Halladay | Sox | 9.9 |
Ponson | Mar | 7.3 | | Sheets | Pur | 1.5 | | Martinez | Mar | 10.0 |
Webb | Roc | 7.3 | | Seo | Mar | 1.6 | | Wakefield | Cha | 10.1 |
Schmidt | Lak | 7.5 | | Washburn | Hub | 1.6 | | Prior | Pur | 10.1 |
Hudson | Lou | 7.5 | | May | Fre | 1.6 | | Ponson | Mar | 10.3 |
Prior | Pur | 7.5 | | Lohse | Lak | 1.8 | | Pavano | Fre | 10.3 |
| | | | | | | | | | |
| | | | | | | | | | |
Strikeouts per 9 innings | | Homeruns per 9 innings | | Stolen bases per 9 innings |
| | | | | | | | | | |
Wood | Pur | 11.5 | | Zambrano | Lak | 0.5 | | Mulder | Gra | 0.0 |
Prior | Pur | 10.4 | | Brown | Sox | 0.5 | | Seo | Mar | 0.1 |
Martinez | Mar | 10.3 | | Martinez | Mar | 0.5 | | Buehrle | Chi | 0.1 |
Schilling | Lou | 10.2 | | Ohka | Tex | 0.5 | | May | Fre | 0.1 |
Schmidt | Lak | 9.5 | | Hudson | Lou | 0.6 | | Radke | Tri | 0.1 |
Vazquez | Ari | 8.7 | | Pettitte | Roc | 0.6 | | Pineiro | Las | 0.1 |
Mussina | Hub | 8.3 | | Loaiza | Roa | 0.6 | | Webb | Roc | 0.1 |
Loaiza | Roa | 8.3 | | Redman | Tex | 0.6 | | Martinez | Mar | 0.2 |
Brown | Sox | 8.1 | | Webb | Roc | 0.7 | | Sabathia | Las | 0.2 |
Pettitte | Roc | 8.0 | | Millwood | Cha | 0.7 | | Lawrence | Gra | 0.2 |
| | | | | | | | | | |
| | | | | | | | | | |
Shutouts | | Quality starts | | Quality start percentage |
| | | | | | | | | | |
Prior | Pur | 4 | | Thomson | Lon | 29 | | May | Fre | .844 |
Halladay | Sox | 4 | | May | Fre | 27 | | Thomson | Lon | .829 |
Miller | Fre | 3 | | Brown | Sox | 26 | | Brown | Sox | .813 |
Pettitte | Roc | 3 | | Hudson | Lou | 25 | | Martinez | Mar | .786 |
Washburn | Hub | 3 | | Eaton | Chi | 23 | | Eaton | Chi | .742 |
Lowe | Wil | 3 | | Millwood | Cha | 23 | | Hudson | Lou | .735 |
Snyder | Lon | 2 | | Miller | Fre | 23 | | Millwood | Cha | .719 |
Martinez | Mar | 2 | | Martinez | Mar | 22 | | Miller | Fre | .719 |
Webb | Roc | 2 | | Colon | Cal | 22 | | Hentgen | Lon | .714 |
Schmidt | Lak | 2 | | Pavano | Fre | 22 | | Lohse | Lak | .704 |
| | | | | | | | | | |
| | | | | | | | | | |
Save Opportunities | | Saves | | Save percentage |
| | | | | | | | | | |
Smoltz | Lou | 52 | | Wagner | Pur | 46 | | Gagne | Roc | .957 |
Wagner | Pur | 52 | | Smoltz | Lou | 45 | | Guardado | Las | .900 |
Rivera,M | Lon | 50 | | Gagne | Roc | 44 | | Rodriguez,F | Chi | .897 |
Gagne | Roc | 46 | | Rivera,M | Lon | 42 | | Borowski | Sac | .889 |
Valverde | Cha | 43 | | Valverde | Cha | 37 | | Wagner | Pur | .885 |
Benitez | Lak | 43 | | Guardado | Las | 36 | | Smoltz | Lou | .865 |
Guardado | Las | 40 | | Benitez | Lak | 35 | | Lopez | Cal | .862 |
Foulke | Gra | 40 | | Borowski | Sac | 32 | | Mantei | Sox | .862 |
Borowski | Sac | 36 | | Foulke | Gra | 31 | | Valverde | Cha | .860 |
Kline | Tex | 34 | | Kline | Tex | 29 | | Rincon | Fre | .857 |
| | | | | | | | | | |
| | | | | | | | | | |
Holds | | Blown saves | | Blown save percentage |
| | | | | | | | | | |
Cormier | Lou | 28 | | Foulke | Gra | 9 | | Timlin | Roa | .240 |
Fuentes | Gra | 20 | | Speier | Ind | 8 | | Mercker | Dah | .231 |
Baez | Hub | 19 | | MacDougal | Hub | 8 | | Foulke | Gra | .225 |
Donnelly | Lou | 19 | | Benitez | Lak | 8 | | Benitez | Lak | .186 |
Riske | Pur | 19 | | Rivera,M | Lon | 8 | | Urbina | Ari | .182 |
Cordero | Lou | 18 | | Ligtenberg | Hub | 7 | | Rivera,M | Lon | .160 |
Martin | Cha | 16 | | Hackman | Tul | 7 | | Kline | Tex | .147 |
Farnsworth | Ari | 16 | | Adams | Ind | 7 | | Rincon | Fre | .143 |
Mota | Lou | 16 | | Riske | Pur | 6 | | Valverde | Cha | .140 |
Dotel | Gra | 15 | | Lyon | Roa | 6 | | Lopez | Cal | .138 |
| | | | | | | | | | |
Innings | | Batters faced per game | | Complete games |
| | | | | | | | | | |
Thomson | Lon | 250.2 | | Prior | Pur | 30.97 | | Schmidt | Lak | 9 |
Halladay | Sox | 237.1 | | Schilling | Lou | 30.79 | | Pavano | Fre | 9 |
Buehrle | Chi | 237.1 | | Lowe | Wil | 30.21 | | Colon | Cal | 8 |
Vazquez | Ari | 236.1 | | Schmidt | Lak | 30.14 | | Halladay | Sox | 8 |
May | Fre | 236.0 | | Perez | Wil | 29.82 | | Prior | Pur | 7 |
Prior | Pur | 229.0 | | Hernandez | Lak | 29.81 | | Radke | Tri | 7 |
Lowe | Wil | 228.1 | | Halladay | Sox | 29.72 | | Schilling | Lou | 6 |
Pavano | Fre | 228.0 | | Suppan | Roc | 29.67 | | Hernandez | Lak | 6 |
Hudson | Lou | 228.0 | | Vazquez | Ari | 29.44 | | Seo | Mar | 6 |
Wakefield | Cha | 227.1 | | Ohka | Tex | 29.42 | | Wakefield | Cha | 6 |
| | | | | | | | | | |
| | | | | | | | | | |
Doubles | | Triples | | Homeruns |
| | | | | | | | | | |
Seo | Mar | 62 | | Anderson | Sox | 13 | | Perez | Tri | 38 |
Sheets | Pur | 60 | | Sheets | Pur | 10 | | Franklin | Pos | 38 |
Anderson | Sox | 59 | | Elarton | Hub | 9 | | Lackey | Ind | 37 |
Bonderman | Pos | 58 | | Ishii | Mar | 9 | | Peavy | Dah | 36 |
D'Amico | Lon | 58 | | Suppan | Roc | 9 | | Morris | Wil | 36 |
Thomson | Lon | 58 | | Helling | Sox | 8 | | Garcia | Cal | 34 |
Franklin | Pos | 56 | | Fogg | Lon | 8 | | Trachsel | Pos | 33 |
Vazquez | Ari | 56 | | Redding | Tul | 8 | | Washburn | Hub | 31 |
Millwood | Cha | 53 | | Kinney | Pos | 8 | | Lawrence | Gra | 31 |
Clemens | Lou | 49 | | Roney | Las | 7 | | Lewis | Wil | 30 |
| | | | | | | | | | |
| | | | | | | | | | |
Stolen bases | | Steal percentage | | Pickoffs |
| | | | | | | | | | |
Myers | Tul | 21 | | Lohse | Lak | .500 | | Maddux | Dah | 5 |
Maddux | Dah | 20 | | Ponson | Mar | .526 | | Villone | Dah | 4 |
Millwood | Cha | 19 | | Washburn | Hub | .556 | | Zambrano | Lak | 4 |
Schmidt | Lak | 18 | | Nomo | Ind | .567 | | Lohse | Lak | 4 |
Zambrano | Cal | 17 | | Williams | Lou | .571 | | Millwood | Cha | 4 |
Ortiz | Hub | 17 | | Harden | Las | .588 | | Weaver | Ind | 3 |
Wakefield | Cha | 17 | | Loaiza | Roa | .619 | | Reed | Sox | 3 |
Hernandez | Lak | 17 | | Millwood | Cha | .633 | | Ortiz | Cal | 3 |
Nomo | Ind | 17 | | Escobar | Roa | .647 | | Ponson | Mar | 3 |
Pettitte | Roc | 16 | | Ortiz | Cal | .667 | | Ortiz | Hub | 3 |
| | | | | | | | | | |
| | | | | | | | | | |
Hit by pitch | | Wild pitches | | Balks |
| | | | | | | | | | |
Wood | Pur | 19 | | Bonderman | Pos | 17 | | Romero | Roa | 5 |
Stephenson | Las | 18 | | Williamson | Wil | 16 | | Reed | Dah | 5 |
Zambrano | Cal | 17 | | Silva | Tex | 15 | | Zambrano | Cal | 5 |
Lowe | Wil | 17 | | Zambrano | Cal | 13 | | Villarreal | Ari | 4 |
Chacon | Mar | 16 | | Clement | Ari | 13 | | Rogers | Gra | 4 |
Westbrook | Roa | 15 | | Day | Tex | 12 | | Colon | Cal | 4 |
Kim | Ari | 15 | | Ohka | Tex | 12 | | Mateo | Dah | 3 |
Reed | Dah | 14 | | Lackey | Ind | 11 | | Ishii | Mar | 3 |
Ohka | Tex | 14 | | Wakefield | Cha | 11 | | Bonderman | Pos | 3 |
Hackman | Tul | 13 | | Kinney | Pos | 10 | | Penny | Gra | 3 |
| | | | | | | | | | |
| | | | | | | | | | |
Games | | Starts | | Batters faced |
| | | | | | | | | | |
Biddle | Pos | 73 | | Thomson | Lon | 35 | | Vazquez | Ari | 1001 |
Farnsworth | Ari | 72 | | Zito | Tul | 35 | | Thomson | Lon | 1000 |
Mota | Lou | 72 | | Buehrle | Chi | 34 | | Lowe | Wil | 997 |
Villarreal | Ari | 69 | | Hudson | Lou | 34 | | Buehrle | Chi | 982 |
Wagner | Pur | 69 | | Sheets | Pur | 34 | | Halladay | Sox | 951 |
Urbina | Ari | 68 | | Vazquez | Ari | 34 | | Lawrence | Gra | 943 |
Riske | Pur | 67 | | Lawrence | Gra | 33 | | Sheets | Pur | 943 |
DeJean | Mar | 67 | | Lowe | Wil | 33 | | Pavano | Fre | 941 |
Mercker | Dah | 67 | | Williams | Lou | 33 | | Radke | Tri | 941 |
Cormier | Lou | 66 | | Brown | Sox | 32 | | May | Fre | 930 |
| | | | | | | | | | |
| | | | | | | | | | |
Games finished | | Runners left scored percentage | | Inherited runners scored pct |
| | | | | | | | | | |
Wagner | Pur | 60 | | Johnson | Ind | .067 | | MacDougal | Hub | .103 |
Rivera,M | Lon | 56 | | Zito | Tul | .077 | | Martin | Cha | .111 |
Gagne | Roc | 55 | | Nomo | Ind | .083 | | Rodriguez,F | Chi | .120 |
Smoltz | Lou | 54 | | Zambrano | Lak | .083 | | Cormier | Lou | .123 |
Borowski | Sac | 53 | | Meche | Pur | .091 | | Reith | Tri | .133 |
Guardado | Las | 53 | | Schilling | Lou | .125 | | Donnelly | Lou | .140 |
Urbina | Ari | 52 | | Schmidt | Lak | .125 | | Mota | Lou | .171 |
Foulke | Gra | 49 | | Wakefield | Cha | .154 | | Farnsworth | Ari | .200 |
Benitez | Lak | 48 | | Suppan | Roc | .154 | | Sullivan | Fre | .200 |
Mercker | Dah | 48 | | Miller | Fre | .176 | | Carrasco | Ind | .200 |
| | | | | | | | | | |
| | | | | | | | | | |
Ground ball DP | | Decisions | | Losses |
| | | | | | | | | | |
Colon | Cal | 34 | | Pettitte | Roc | 29 | | Franklin | Pos | 2-21 |
Penny | Gra | 30 | | Eaton | Chi | 28 | | Trachsel | Pos | 2-20 |
Morris | Wil | 29 | | Myers | Tul | 28 | | Myers | Tul | 8-20 |
Halladay | Sox | 29 | | Washburn | Hub | 28 | | Bonderman | Pos | 2-19 |
Perez | Wil | 28 | | Vazquez | Ari | 28 | | Washburn | Hub | 10-18 |
Lawrence | Gra | 28 | | Thomson | Lon | 28 | | Morris | Wil | 3-17 |
Mulder | Gra | 27 | | Halladay | Sox | 27 | | Garcia | Cal | 8-17 |
Zambrano | Lak | 27 | | May | Fre | 27 | | Kinney | Pos | 6-16 |
Brown | Sox | 27 | | Colon | Cal | 26 | | Anderson | Sox | 6-16 |
Lowe | Wil | 26 | | Miller | Fre | 26 | | Moyer | Tex | 5-15 |
| | | | | | | | | | |
On-base plus slugging | | Walks plus hits per inning | | Strikeout/walk ratio |
| | | | | | | | | | |
Hudson | Lou | .582 | | May | Fre | 0.95 | | Prior | Pur | 4.9 |
Martinez | Mar | .589 | | Hudson | Lou | 1.04 | | Schmidt | Lak | 4.6 |
May | Fre | .613 | | Martinez | Mar | 1.06 | | Thomson | Lon | 4.3 |
Schmidt | Lak | .622 | | Schmidt | Lak | 1.06 | | Halladay | Sox | 4.3 |
Wakefield | Cha | .624 | | Thomson | Lon | 1.07 | | Martinez | Mar | 4.0 |
Webb | Roc | .625 | | Prior | Pur | 1.07 | | Sheets | Pur | 4.0 |
Pettitte | Roc | .629 | | Halladay | Sox | 1.07 | | Radke | Tri | 3.9 |
Ponson | Mar | .630 | | Wakefield | Cha | 1.09 | | Schilling | Lou | 3.9 |
Pavano | Fre | .634 | | Pavano | Fre | 1.10 | | Wells | Roc | 3.8 |
Redman | Tex | .638 | | Ponson | Mar | 1.12 | | Pettitte | Roc | 3.7 |
| | | | | | | | | | |
| | | | | | | | | | |
Runs created per 27 outs | | Runs created ERA | | Component ERA |
| | | | | | | | | | |
Hudson | Lou | 2.7 | | Hudson | Lou | 2.42 | | May | Fre | 2.22 |
Martinez | Mar | 2.9 | | Martinez | Mar | 2.57 | | Hudson | Lou | 2.35 |
May | Fre | 2.9 | | May | Fre | 2.63 | | Martinez | Mar | 2.40 |
Ponson | Mar | 3.1 | | Ponson | Mar | 2.87 | | Thomson | Lon | 2.63 |
Wakefield | Cha | 3.2 | | Wakefield | Cha | 2.88 | | Schmidt | Lak | 2.66 |
Redman | Tex | 3.3 | | Redman | Tex | 2.97 | | Pavano | Fre | 2.70 |
Halladay | Sox | 3.3 | | Thomson | Lon | 2.98 | | Ponson | Mar | 2.72 |
Webb | Roc | 3.3 | | Schmidt | Lak | 3.00 | | Wakefield | Cha | 2.73 |
Pavano | Fre | 3.3 | | Webb | Roc | 3.01 | | Webb | Roc | 2.77 |
Schmidt | Lak | 3.3 | | Halladay | Sox | 3.03 | | Redman | Tex | 2.83 |
| | | | | | | | | | |
| | | | | | | | | | |
In-play average | | Balls in park | | Extra-base hit rate |
| | | | | | | | | | |
May | Fre | .214 | | Thomson | Lon | 769 | | Hudson | Lou | .042 |
Wakefield | Cha | .238 | | Buehrle | Chi | 763 | | Pettitte | Roc | .045 |
Miller | Fre | .245 | | Lowe | Wil | 747 | | Brown | Sox | .049 |
Ponson | Mar | .246 | | May | Fre | 734 | | Batista | Sac | .051 |
Hentgen | Lon | .251 | | Radke | Tri | 730 | | Lowe | Wil | .053 |
Webb | Roc | .256 | | Halladay | Sox | 724 | | Ohka | Tex | .058 |
Hudson | Lou | .258 | | Sheets | Pur | 721 | | Martinez | Mar | .058 |
Redman | Tex | .258 | | Lawrence | Gra | 712 | | Lilly | Cal | .059 |
Pavano | Fre | .259 | | Pavano | Fre | 711 | | Wood | Pur | .060 |
Ortiz | Hub | .261 | | Seo | Mar | 691 | | Garland | Cha | .060 |
| | | | | | | | | | |
| | | | | | | | | | |
Total bases + BB + HBP | | TB+BB+HBP rate | | Single rate |
| | | | | | | | | | |
Franklin | Pos | 489 | | Hudson | Lou | .347 | | May | Fre | .114 |
Anderson | Sox | 477 | | Martinez | Mar | .367 | | Wood | Pur | .117 |
Sheets | Pur | 449 | | Pettitte | Roc | .371 | | Fogg | Lon | .124 |
Bonderman | Pos | 447 | | Brown | Sox | .386 | | Wakefield | Cha | .126 |
Lawrence | Gra | 432 | | Pavano | Fre | .386 | | Zambrano | Cal | .127 |
D'Amico | Lon | 430 | | Schmidt | Lak | .390 | | Miller | Fre | .127 |
Trachsel | Pos | 430 | | Webb | Roc | .391 | | Prior | Pur | .128 |
Clement | Ari | 425 | | May | Fre | .392 | | Franklin | Pos | .128 |
Garcia | Cal | 423 | | Thomson | Lon | .393 | | Ortiz | Hub | .130 |
Morris | Wil | 422 | | Ponson | Mar | .393 | | Eaton | Chi | .131 |
| | | | | | | | | | |
| | | | | | | | | | |
Total bases plus walks | | TB+BB rate | | Double rate |
| | | | | | | | | | |
Franklin | Pos | 482 | | Hudson | Lou | .339 | | Hudson | Lou | .021 |
Anderson | Sox | 470 | | Martinez | Mar | .353 | | Batista | Sac | .024 |
Sheets | Pur | 442 | | Pettitte | Roc | .367 | | Pettitte | Roc | .026 |
Bonderman | Pos | 436 | | Pavano | Fre | .373 | | Miller | Fre | .030 |
D'Amico | Lon | 424 | | Brown | Sox | .378 | | Peavy | Dah | .031 |
Lawrence | Gra | 423 | | Webb | Roc | .379 | | Hernandez | Lak | .032 |
Trachsel | Pos | 422 | | Schmidt | Lak | .381 | | Wells | Cha | .032 |
Garcia | Cal | 419 | | May | Fre | .383 | | Davis | Wil | .032 |
Morris | Wil | 416 | | Redman | Tex | .386 | | Brown | Sox | .033 |
Clement | Ari | 416 | | Ponson | Mar | .387 | | Lilly | Cal | .033 |
| | | | | | | | | | |