Pitchers had their most rookie-season wins in 2023, with 438 wins.
| POSITION | W | SEASON | L | W% | G | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pitcher | 438 | 2023 | 463 | .486 | 4,298 | 961 | 4.77 | 8,563 | 0 | 0 | 78 | 9128.2 | 8,971 | 4,839 | 5,177 | 1,297 | 3,748 | 489 | 949 | 100 | 39,745 | 408 | 8.44 | 3.70 | 2.28 | 1.28 | 21.5 | 9.4 | 1.39 | .299 | 5.10 | 110 | 4.62 | 107 | 8.84 | -309.7 |
Yankees 
Red Sox 
Tigers 
Twins 
Mariners 
Astros 
Phillies 
Mets 
Cubs 
Cardinals 
Dodgers 
Giants 
MIA 
TEX 
TBR 
SDP 
CLE 
WSH 
KCR 
ATL 
