| 2012 NL Leaders | |||||||||||||||||||
| Name | Age | Pos | Team | PA | AB | R | H | 2B | 3B | HR | RBI | BB | SO | SB | CS | AVG | OBP | SLG | OPS |
| Matt Cain | 28 | P | San Francisco | 81 | 74 | 6 | 13 | 2 | 0 | 1 | 6 | 2 | 33 | 0 | 2 | 0.176 | 0.185 | 0.243 | 428 |
| Ronny Cedeno | 29 | SS | NY Mets | 186 | 166 | 18 | 43 | 11 | 1 | 4 | 22 | 17 | 35 | 0 | 14 | 0.259 | 0.328 | 0.410 | 738 |
| Jason Marquis | 34 | P | San Diego | 36 | 32 | 3 | 9 | 3 | 0 | 0 | 1 | 0 | 12 | 0 | 1 | 0.281 | 0.278 | 0.375 | 653 |
| Mark Kotsay | 37 | LF | San Diego | 156 | 143 | 9 | 37 | 8 | 0 | 2 | 14 | 11 | 14 | 0 | 6 | 0.259 | 0.314 | 0.357 | 671 |
| Mike Leake | Cincinnati | 69 | 61 | 8 | 18 | 3 | 0 | 2 | 3 | 1 | 20 | 0 | 0 | 0.295 | 0.275 | 0.443 | 718 | ||
| Tim Federowicz | 25 | C | LA Dodgers | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0.333 | 0.500 | 0.333 | 833 |
| Sandy Leon | 23 | C | Washington | 36 | 30 | 2 | 8 | 2 | 0 | 0 | 2 | 4 | 11 | 0 | 4 | 0.267 | 0.389 | 0.333 | 722 |
| Collin McHugh | NY Mets | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0 | ||
| Joshua Collmenter | Arizona | 23 | 16 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 5 | 0 | 0 | 0.063 | 0.087 | 0.063 | 150 | ||
| Luis Valbuena | 27 | 2B | Chi Cubs | 303 | 265 | 26 | 58 | 20 | 0 | 4 | 28 | 36 | 55 | 0 | 22 | 0.219 | 0.310 | 0.340 | 650 |
| Jonathon Niese | 26 | P | NY Mets | 68 | 55 | 8 | 12 | 0 | 0 | 0 | 2 | 6 | 19 | 0 | 3 | 0.218 | 0.265 | 0.218 | 483 |
| Micah Owings | 30 | LF | San Diego | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0 |
| Chad Tracy | 32 | 3B | Washington | 105 | 93 | 7 | 25 | 7 | 0 | 3 | 14 | 10 | 15 | 0 | 4 | 0.269 | 0.343 | 0.441 | 784 |
| Rex Brothers | Colorado | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0 | ||
| Wandy Rodriguez | 34 | P | Pittsburgh | 27 | 24 | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 0.167 | 0.148 | 0.167 | 315 |
| Guillermo Moscoso | 29 | P | Colorado | 12 | 11 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 0.182 | 0.167 | 0.273 | 440 |
| Aaron Harang | 34 | P | LA Dodgers | 63 | 56 | 1 | 4 | 1 | 0 | 0 | 2 | 0 | 23 | 0 | 1 | 0.071 | 0.063 | 0.089 | 152 |
| Christopher Volstad | 26 | P | Chi Cubs | 34 | 28 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0.179 | 0.147 | 0.179 | 326 |
| Lyle Overbay | 36 | 1B | Arizona | 109 | 96 | 11 | 28 | 9 | 0 | 2 | 10 | 12 | 26 | 0 | 6 | 0.292 | 0.367 | 0.448 | 815 |
| Jonathan Sanchez | 30 | P | Colorado | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0 |
| Fred Lewis | 32 | LF | NY Mets | 25 | 20 | 2 | 3 | 0 | 0 | 0 | 0 | 4 | 5 | 0 | 0 | 0.150 | 0.320 | 0.150 | 470 |
| Josh Beckett | 32 | P | LA Dodgers | 17 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0 |
| Julio Teheran | 22 | P | Atlanta | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.000 | 0.500 | 0.000 | 500 |
| Jorge De La Rosa | 31 | P | Colorado | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0.400 | 0.400 | 0.400 | 800 |
| Yorvit Torrealba | 34 | C | Milwaukee | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0.000 | 0.167 | 0.000 | 167 |
| Drew Sutton | 29 | 3B | Pittsburgh | 79 | 74 | 10 | 18 | 8 | 1 | 1 | 7 | 4 | 26 | 0 | 2 | 0.243 | 0.278 | 0.419 | 697 |
| Jeff Samardzija | 28 | P | Chi Cubs | 61 | 50 | 0 | 5 | 0 | 0 | 0 | 3 | 3 | 16 | 0 | 2 | 0.100 | 0.148 | 0.100 | 248 |
| Nathan Eovaldi | LA Dodgers | 14 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 0 | 0.000 | 0.071 | 0.000 | 71 | ||
| Jordan Lyles | 22 | P | Houston | 44 | 38 | 3 | 6 | 1 | 0 | 1 | 4 | 1 | 18 | 0 | 0 | 0.158 | 0.159 | 0.263 | 422 |
| Brooks Raley | P | Chi Cubs | 10 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.200 | 0.200 | 0.200 | 400 | |
