Wednesday is Leap Day and to “celebrate”, the VORG hereby presents the single-season record holders specifically restricted to Leap Years.
I limited this to post-1900, if you’re wondering . . .
| STAT | LEADER | RECORD | YEAR |
| AVG | Rogers Hornsby | .424 | 1924 |
| OBP | Barry Bonds | .609 | 2004 |
| SLG | Babe Ruth | .847 | 1920 |
| OPS | Barry Bonds | 1.422 | 2004 |
| GAMES | Justin Morneau * | 163 | 2008 |
| AB | Willie Wilson | 705 | 1980 |
| PA | Jose Reyes | 763 | 2008 |
| RUNS | Lou Gehrig | 167 | 1936 |
| HITS | Ichiro Suzuki | 262 | 2004 |
| TOT BASES | Jimmie Foxx | 438 | 1932 |
| 2B | Joe Medwick | 64 | 1936 |
| 3B | Chief Wilson | 36 | 1912 |
| HR | Jimmie Foxx | 58 | 1932 |
| RBI | Jimmie Foxx | 169 | 1932 |
| BB | Barry Bonds | 232 | 2004 |
| Ks | Mark Reynolds | 204 | 2008 |
| SB | Rickey Henderson | 100 | 1980 |
| 1B | Ichiro Suzuki | 225 | 2004 |
| XBH | Todd Helton * | 103 | 2000 |
| HBP | Craig Wilson | 30 | 2004 |
| SH | Bill Bradley | 60 | 1908 |
| SF | Bobby Bonilla | 17 | 1996 |
| IBB | Barry Bonds | 120 | 2004 |
| GIDP | Jim Rice | 36 | 1984 |
| CS | Ty Cobb | 34 | 1912 |
| ERA | Bob Gibson | 1.123 | 1968 |
| W | Jack Chesbro | 41 | 1904 |
| W-L% | Freddie Fitzsimmons | .889 | 1940 |
| WHIP | Pedro Martinez | 0.737 | 2000 |
| H/9 | Nolan Ryan | 5.26 | 1972 |
| BB/9 | Babe Adams | 0.61 | 1920 |
| K/9 | Randy Johnson | 12.56 | 2000 |
| GAMES | Jim Brower | 89 | 2004 |
| SV | Francisco Rodriguez | 62 | 2008 |
| IP | Ed Walsh | 464 | 1908 |
| Ks | Rube Waddell | 349 | 1904 |
| STARTS | Ed Walsh | 49 | 1908 |
| CG | Jack Chesbro | 48 | 1904 |
| SHUTOUTS | Pete Alexander | 16 | 1916 |
| HRA | Jose Lima | 48 | 2000 |
| WALKS | Nolan Ryan | 183 | 1976 |
| HITS | Oscar Jones | 387 | 1904 |
| K/BB | Pedro Martinez | 8.875 | 2000 |
| HR/9 | Walter Johnson (*) | 0 | 1916 |
| LOSSES | Happy Townsend | 26 | 1904 |
| ER | Jack Knott | 156 | 1936 |
| WP | Matt Clement | 23 | 2000 |
| HBP | Bronson Arroyo | 20 | 2004 |
| Carlos Zambrano | 20 | 2004 | |
| BFP | Joe McGinnity | 1588 | 1904 |
| GAMES FINISHED | Jose Valverde | 71 | 2008 |