Randy Johnson and Nolan Ryan were tied for playing the most seasons with 230+ strikeouts, with 10 seasons.
Interpreted as:
most seasons with 230 or more strikeouts 10.0 or more +strikeout per 9 inning by a player seasons| NAME | SEAS | SO | K/9 | G | W | L | W% | GS | ERA | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Johnson | 10 | 3,170 | 11.82 | 335 | 185 | 80 | .698 | 332 | 2.75 | 72 | 29 | 1 | 2413.0 | 1,812 | 737 | 843 | 206 | 803 | 120 | 2 | 14 | 9,768 | 60 | 3.00 | 3.95 | 0.77 | 32.5 | 8.2 | 1.08 | .294 | 3.14 | 62 | 2.67 | 60 | 6.76 | 478.4 |
| 2 |  | N. Ryan | 10 | 3,055 | 10.31 | 360 | 161 | 142 | .531 | 357 | 3.02 | 150 | 37 | 1 | 2666.0 | 1,848 | 894 | 1,010 | 156 | 1,424 | 71 | 3 | 35 | 11,106 | 137 | 4.81 | 2.15 | 0.53 | 27.5 | 12.8 | 1.23 | .264 | 3.41 | 85 | 2.79 | 78 | 6.24 | 239.7 |
Dodgers 
Padres 
Giants 
Diamondbacks 
Rockies 
Phillies 
Mets 
Brewers 
Cubs 
Blue Jays 
Yankees 
Guardians 
Tigers 
Mariners 
Astros 
ATL 
WSH 
ATH 
BOS 
