| World Series Leaders | Postseason Leaders |
ERA
| Player | | ERA | | IP |
| Jack Billingham | | 0.36 | | 25.3 |
| Harry Brecheen | | 0.83 | | 32.7 |
| Claude Osteen | | 0.86 | | 21.0 |
| Babe Ruth | | 0.87 | | 31.0 |
| Sherry Smith | | 0.89 | | 30.3 |
| Sandy Koufax | | 0.95 | | 57.0 |
| Christy Mathewson | | 0.97 | | 101.7 |
| Hippo Vaughn | | 1.00 | | 27.0 |
| Monte Pearson | | 1.01 | | 35.7 |
| Mariano Rivera | | 1.16 | | 31.0 |
| ERA
| Player | | ERA | | IP |
| Joe Niekro | | 0.00 | | 20.0 |
| John Rocker | | 0.00 | | 20.7 |
| Dave Dravecky | | 0.35 | | 25.7 |
| Ken Dayley | | 0.44 | | 20.7 |
| Mariano Rivera | | 0.80 | | 112.7 |
| Harry Brecheen | | 0.83 | | 32.7 |
| Claude Osteen | | 0.86 | | 21.0 |
| Babe Ruth | | 0.87 | | 31.0 |
| Sherry Smith | | 0.89 | | 30.3 |
| Sandy Koufax | | 0.95 | | 57.0 |
|
Wins
| Player | | W | | IP |
| Whitey Ford | | 10 | | 146.0 |
| Bob Gibson | | 7 | | 81.0 |
| Allie Reynolds | | 7 | | 77.3 |
| Red Ruffing | | 7 | | 85.7 |
| Chief Bender | | 6 | | 85.0 |
| Lefty Gomez | | 6 | | 50.3 |
| Waite Hoyt | | 6 | | 83.7 |
| Mordecai Brown | | 5 | | 57.7 |
| Jack Coombs | | 5 | | 53.3 |
| Catfish Hunter | | 5 | | 63.0 |
| Christy Mathewson | | 5 | | 101.7 |
| Herb Pennock | | 5 | | 55.3 |
| Vic Raschi | | 5 | | 60.3 |
| Wins
| Player | | W | | IP |
| John Smoltz | | 15 | | 207.0 |
| Tom Glavine | | 14 | | 218.3 |
| Andy Pettitte | | 14 | | 212.0 |
| Roger Clemens | | 12 | | 196.7 |
| Greg Maddux | | 11 | | 194.0 |
| Whitey Ford | | 10 | | 146.0 |
| Dave Stewart | | 10 | | 133.0 |
| David Wells | | 10 | | 125.0 |
| Orlando Hernandez | | 9 | | 106.0 |
| Catfish Hunter | | 9 | | 132.3 |
|
Won-Loss %
| Player | | wlp | | IP |
| Jack Coombs | | 1.000 | | 53.3 |
| Lefty Gomez | | 1.000 | | 50.3 |
| Monte Pearson | | 1.000 | | 35.7 |
| Herb Pennock | | 1.000 | | 55.3 |
| Harry Brecheen | | .800 | | 32.7 |
| Tommy Bridges | | .800 | | 46.0 |
| Ken Holtzman | | .800 | | 35.3 |
| Ed Lopat | | .800 | | 52.0 |
| Johnny Podres | | .800 | | 38.3 |
| Bob Gibson | | .778 | | 81.0 |
| Allie Reynolds | | .778 | | 77.3 |
| Red Ruffing | | .778 | | 85.7 |
| Won-Loss %
| Player | | wlp | | IP |
| Jack Coombs | | 1.000 | | 53.3 |
| Rawly Eastwick | | 1.000 | | 15.7 |
| Lefty Gomez | | 1.000 | | 50.3 |
| Sterling Hitchcock | | 1.000 | | 30.7 |
| Jerry Koosman | | 1.000 | | 40.3 |
| Roy Oswalt | | 1.000 | | 46.7 |
| Monte Pearson | | 1.000 | | 35.7 |
| Herb Pennock | | 1.000 | | 55.3 |
| Mariano Rivera | | .889 | | 112.7 |
| Bert Blyleven | | .833 | | 47.3 |
| Chris Carpenter | | .833 | | 53.3 |
| Juan Guzman | | .833 | | 51.7 |
| Bruce Kison | | .833 | | 36.3 |
| Fernando Valenzuela | | .833 | | 63.7 |
|
Games
| Player | | G_p | | IP |
| Whitey Ford | | 22 | | 146.0 |
| Mariano Rivera | | 20 | | 31.0 |
| Mike Stanton | | 20 | | 23.3 |
| Rollie Fingers | | 16 | | 33.3 |
| Jeff Nelson | | 16 | | 16.0 |
| Allie Reynolds | | 15 | | 77.3 |
| Bob Turley | | 15 | | 53.7 |
| Clay Carroll | | 14 | | 20.3 |
| Clem Labine | | 13 | | 31.3 |
| Mark Wohlers | | 13 | | 11.7 |
| Games
| Player | | G_p | | IP |
| Mariano Rivera | | 73 | | 112.7 |
| Jeff Nelson | | 55 | | 54.3 |
| Mike Stanton | | 53 | | 55.7 |
| John Smoltz | | 40 | | 207.0 |
| Mark Wohlers | | 39 | | 38.3 |
| Mike Timlin | | 38 | | 42.3 |
| Paul Assenmacher | | 36 | | 20.0 |
| Tom Glavine | | 35 | | 218.3 |
| Roger Clemens | | 34 | | 196.7 |
| Andy Pettitte | | 34 | | 212.0 |
|
Saves
| Player | | SV | | IP |
| Mariano Rivera | | 9 | | 31.0 |
| Rollie Fingers | | 6 | | 33.3 |
| Johnny Murphy | | 4 | | 16.3 |
| Robb Nen | | 4 | | 7.7 |
| Allie Reynolds | | 4 | | 77.3 |
| John Wetteland | | 4 | | 4.3 |
| Roy Face | | 3 | | 10.3 |
| Firpo Marberry | | 3 | | 12.0 |
| Will McEnaney | | 3 | | 11.3 |
| Tug McGraw | | 3 | | 21.3 |
| Herb Pennock | | 3 | | 55.3 |
| Troy Percival | | 3 | | 3.0 |
| Kent Tekulve | | 3 | | 9.3 |
| Todd Worrell | | 3 | | 11.7 |
| Saves
| Player | | SV | | IP |
| Mariano Rivera | | 34 | | 112.7 |
| Dennis Eckersley | | 15 | | 36.0 |
| Jason Isringhausen | | 11 | | 26.7 |
| Robb Nen | | 11 | | 20.0 |
| Rollie Fingers | | 10 | | 57.3 |
| Mark Wohlers | | 9 | | 38.3 |
| Rich Gossage | | 8 | | 31.3 |
| Randy Myers | | 8 | | 30.7 |
| Tug McGraw | | 7 | | 52.3 |
| Troy Percival | | 7 | | 9.7 |
| John Wetteland | | 7 | | 18.7 |
|
Innings
Pitched | Player | | IP | | IP |
| Whitey Ford | | 146.0 | | 146.0 |
| Christy Mathewson | | 101.7 | | 101.7 |
| Red Ruffing | | 85.7 | | 85.7 |
| Chief Bender | | 85.0 | | 85.0 |
| Waite Hoyt | | 83.7 | | 83.7 |
| Bob Gibson | | 81.0 | | 81.0 |
| Art Nehf | | 79.0 | | 79.0 |
| Allie Reynolds | | 77.3 | | 77.3 |
| Andy Pettitte | | 66.0 | | 66.0 |
| Jim Palmer | | 64.7 | | 64.7 |
| Innings
Pitched | Player | | IP | | IP |
| Tom Glavine | | 218.3 | | 218.3 |
| Andy Pettitte | | 212.0 | | 212.0 |
| John Smoltz | | 207.0 | | 207.0 |
| Roger Clemens | | 196.7 | | 196.7 |
| Greg Maddux | | 194.0 | | 194.0 |
| Whitey Ford | | 146.0 | | 146.0 |
| Mike Mussina | | 135.0 | | 135.0 |
| Dave Stewart | | 133.0 | | 133.0 |
| Catfish Hunter | | 132.3 | | 132.3 |
| Orel Hershiser | | 132.0 | | 132.0 |
|
Strikeouts
| Player | |
SO | | IP |
| Whitey Ford | | 94 | | 146.0 |
| Bob Gibson | | 92 | | 81.0 |
| Allie Reynolds | | 62 | | 77.3 |
| Sandy Koufax | | 61 | | 57.0 |
| Red Ruffing | | 61 | | 85.7 |
| Chief Bender | | 59 | | 85.0 |
| George Earnshaw | | 56 | | 62.7 |
| John Smoltz | | 52 | | 51.0 |
| Roger Clemens | | 49 | | 49.3 |
| Waite Hoyt | | 49 | | 83.7 |
| Strikeouts
| Player | |
SO | | IP |
| John Smoltz | | 194 | | 207.0 |
| Roger Clemens | | 172 | | 196.7 |
| Tom Glavine | | 143 | | 218.3 |
| Mike Mussina | | 142 | | 135.0 |
| Andy Pettitte | | 134 | | 212.0 |
| Randy Johnson | | 132 | | 121.0 |
| Greg Maddux | | 122 | | 194.0 |
| Orlando Hernandez | | 107 | | 106.0 |
| Curt Schilling | | 104 | | 109.3 |
| Orel Hershiser | | 97 | | 132.0 |
|
Bases On Balls Allowed | Player | | BB | | IP |
| Whitey Ford | | 34 | | 146.0 |
| Art Nehf | | 32 | | 79.0 |
| Allie Reynolds | | 32 | | 77.3 |
| Jim Palmer | | 31 | | 64.7 |
| Bob Turley | | 29 | | 53.7 |
| Paul Derringer | | 27 | | 52.7 |
| Red Ruffing | | 27 | | 85.7 |
| Burleigh Grimes | | 26 | | 56.7 |
| Don Gullett | | 26 | | 53.7 |
| Vic Raschi | | 25 | | 60.3 |
| Bases On Balls Allowed | Player | | BB | | IP |
| Tom Glavine | | 87 | | 218.3 |
| Roger Clemens | | 68 | | 196.7 |
| John Smoltz | | 67 | | 207.0 |
| David Cone | | 58 | | 111.3 |
| Andy Pettitte | | 58 | | 212.0 |
| Orlando Hernandez | | 55 | | 106.0 |
| Steve Carlton | | 51 | | 99.3 |
| Greg Maddux | | 50 | | 194.0 |
| Jim Palmer | | 50 | | 124.3 |
| Dave Stewart | | 48 | | 133.0 |
|
Hits Allowed
| Player | | H | | IP |
| Whitey Ford | | 132 | | 146.0 |
| Waite Hoyt | | 81 | | 83.7 |
| Christy Mathewson | | 76 | | 101.7 |
| Andy Pettitte | | 74 | | 66.0 |
| Red Ruffing | | 74 | | 85.7 |
| Chief Bender | | 65 | | 85.0 |
| Allie Reynolds | | 61 | | 77.3 |
| Catfish Hunter | | 57 | | 63.0 |
| Walter Johnson | | 56 | | 50.0 |
| Bob Gibson | | 55 | | 81.0 |
| Jim Palmer | | 55 | | 64.7 |
| Don Sutton | | 55 | | 51.3 |
| Hits Allowed
| Player | | H | | IP |
| Andy Pettitte | | 228 | | 212.0 |
| Tom Glavine | | 191 | | 218.3 |
| Greg Maddux | | 191 | | 194.0 |
| Roger Clemens | | 169 | | 196.7 |
| John Smoltz | | 168 | | 207.0 |
| Whitey Ford | | 132 | | 146.0 |
| Mike Mussina | | 117 | | 135.0 |
| David Wells | | 116 | | 125.0 |
| Catfish Hunter | | 114 | | 132.3 |
| Randy Johnson | | 106 | | 121.0 |
|
Losses
| Player | | L | | IP |
| Whitey Ford | | 8 | | 146.0 |
| Joe Bush | | 5 | | 60.7 |
| Rube Marquard | | 5 | | 58.7 |
| Christy Mathewson | | 5 | | 101.7 |
| Eddie Plank | | 5 | | 54.7 |
| Losses
| Player | | L | | IP |
| Tom Glavine | | 16 | | 218.3 |
| Greg Maddux | | 14 | | 194.0 |
| Randy Johnson | | 9 | | 121.0 |
| Andy Pettitte | | 9 | | 212.0 |
| Roger Clemens | | 8 | | 196.7 |
| Whitey Ford | | 8 | | 146.0 |
| Mike Mussina | | 8 | | 135.0 |
| Jerry Reuss | | 8 | | 62.7 |
| Charlie Leibrandt | | 7 | | 57.3 |
|