50 players are tied for the highest 100 * walks + strikeouts per plate appearance in a season, with 100. The first three are Luis Castillo, Scott McGough and Chris Roller in 2024.
Interpreted as:
most 100 * (bb + so) / pa in a season 400 pa by a player| NAME | 100*(BB+SO)/PA | PA | BB | SO | SEASON | TM | G | AB | R | H | 2B | 3B | HR | RBI | HBP | SB | CS | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | WRC | WRAA | WOBA | WRC+ | BRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | L. Castillo | 100 | 1 | 0 | 1 | 2024 |  SEA | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -110 | -0.2 |
| 2 |  | S. McGough | 100 | 1 | 0 | 1 | 2024 |  ARI | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -112 | -0.3 |
| 3 |  | C. Roller | 100 | 1 | 0 | 1 | 2024 |  MIL | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -111 | -0.3 |
| 4 |  | E. Yang | 100 | 1 | 0 | 1 | 2024 |  CIN | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -117 | -0.3 |
| 5 |  | M. Fulmer | 100 | 1 | 0 | 1 | 2023 |  CHC | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -112 | -0.3 |
| 6 |  | C. Hamilton | 100 | 6 | 1 | 5 | 2023 |  BOS | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .167 | .000 | .167 | 0 | -1 | .116 | -45 | -1 |
| 7 |  | C. Okey | 100 | 2 | 0 | 2 | 2023 |  LAA | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.5 | .000 | -121 | -0.5 |
| 8 |  | J. Sborz | 100 | 1 | 0 | 1 | 2023 |  TEX | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -119 | -0.3 |
| 9 |  | M. McCoy | 100 | 1 | 0 | 1 | 2023 |  TOR | 6 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -118 | -0.3 |
| 10 |  | J. Alvarado | 100 | 1 | 0 | 1 | 2022 |  PHI | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -113 | -0.2 |
| 11 |  | T. Anderson | 100 | 1 | 0 | 1 | 2022 |  LAD | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -110 | -0.2 |
| 12 | | E. Phillips | 100 | 1 | 1 | 0 | 2022 | LAD | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | 0 | 0.3 | .689 | 360 | 0.3 | |||
| 13 |  | D. Robertson | 100 | 1 | 0 | 1 | 2022 | TOT | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -112 | -0.2 |
| 14 |  | J. Perez | 100 | 1 | 0 | 1 | 2022 |  HOU | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -116 | -0.2 |
| 15 |  | B. Hicklen | 100 | 4 | 0 | 4 | 2022 |  KCR | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | -1 | -1 | .000 | -121 | -1 |
| 16 |  | Y. Diaz | 100 | 1 | 0 | 1 | 2022 |  BAL | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -115 | -0.2 |
| 17 |  | J. Larsen | 100 | 1 | 0 | 1 | 2022 | SEA | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.2 | .000 | -113 | -0.2 |
| 18 | | R.J. Alaniz | 100 | 1 | 0 | 1 | 2021 | CIN | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -114 | -0.3 |
| 19 | | J. BarrÃa | 100 | 3 | 0 | 3 | 2021 | LAA | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -116 | -0.8 |
| 20 |  | C. Bassitt | 100 | 2 | 0 | 2 | 2021 |  OAK | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.5 | .000 | -109 | -0.5 |
| 21 | | A. Bradley | 100 | 1 | 0 | 1 | 2021 | PHI | 49 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -109 | -0.3 |
| 22 |  | J. Brebbia | 100 | 1 | 0 | 1 | 2021 |  SFG | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -105 | -0.3 |
| 23 | | J. Brentz | 100 | 1 | 1 | 0 | 2021 | KCR | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | 0 | 0.3 | .692 | 350 | 0.3 | |||
| 24 |  | R. Brothers | 100 | 2 | 0 | 2 | 2021 | CHC | 54 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.5 | .000 | -108 | -0.5 |
| 25 | | T. Chatwood | 100 | 1 | 0 | 1 | 2021 | TOT | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -105 | -0.3 |
StatMuse has season-level data for strikeouts going back to the 1891 season.
MIA 
Braves 
Padres 
Yankees 
Guardians 
MIN 
STL 
CWS 
COL 
TBR 
