qSeason Leaders by league, QS
| Seg |
Lg |
SName |
Player |
Tm |
G |
GS |
QS |
W |
L |
IP |
| Lg | CFL | 2005 | OSWALT,Roy | LS | 35 | 35 | 27 | 26 | 6 | 269.0 |
| Lg | CFL | 2006 | SMOLTZ,John | ARR | 35 | 35 | 28 | 22 | 7 | 256.0 |
| Lg | CFL | 2007 | OSWALT,Roy | LS | 36 | 34 | 24 | 23 | 8 | 246.2 |
| Lg | CFL | 2008 | LINCECUM,Tim | SEA | 35 | 35 | 32 | 22 | 7 | 272.0 |
| Lg | CFL | 2009 | JURRJENS,Jair | MMW | 33 | 33 | 25 | 23 | 8 | 258.0 |
| Lg | CFL | 2010 | KERSHAW,Clayton | SYR | 33 | 33 | 25 | 19 | 5 | 226.0 |
| Lg | CFL | 2011 | VERLANDER,Justin | NAP | 43 | 34 | 26 | 20 | 8 | 267.2 |
| Lg | CFL | 2012 | GONZALEZ,Gio | SYR | 31 | 31 | 25 | 22 | 6 | 235.1 |
| Lg | CFL | 2013 | KERSHAW,Clayton | HTA | 33 | 33 | 25 | 25 | 6 | 268.1 |
| Lg | CFL | 2014 | HERNANDEZ,Felix | SAT | 31 | 31 | 28 | 18 | 8 | 247.2 |
| Lg | CFL | 2015 | ARRIETA,Jake | NAP | 33 | 33 | 30 | 27 | 3 | 268.1 |
| Lg | CFL | 2016 | HENDRICKS,Kyle | LS | 29 | 29 | 23 | 19 | 3 | 207.2 |
| Lg | CFL | 2017 | STROMAN,Marcus | SAT | 32 | 32 | 24 | 11 | 12 | 227.1 |
| Lg | CFL | 2018 | NOLA,Aaron | OMR | 36 | 34 | 27 | 24 | 4 | 242.1 |
| Lg | CFL | 2019 | deGROM,Jacob | OMR | 33 | 33 | 22 | 14 | 8 | 211.1 |
| Lg | CFL | 2019 | STRASBURG,Stephen | WAS | 31 | 31 | 22 | 16 | 10 | 210.0 |
| Lg | CFL | 2020 | DARVISH,Yu | SAT | 32 | 32 | 26 | 16 | 5 | 220.0 |
| Lg | CFL | 2021 | RAY,Robbie | LS | 32 | 32 | 21 | 20 | 8 | 219.2 |
| Lg | CFL | 2021 | ALCANTARA,Sandy | NAP | 32 | 32 | 21 | 19 | 8 | 232.2 |
| Lg | GSL | 2005 | GARLAND,Jon | PLM | 36 | 36 | 25 | 21 | 6 | 258.0 |
| Lg | GSL | 2006 | HARANG,Aaron | CHH | 41 | 41 | 26 | 22 | 10 | 262.1 |
| Lg | GSL | 2006 | SANTANA,Johan | ALR | 31 | 31 | 26 | 16 | 10 | 250.0 |
| Lg | GSL | 2007 | HARANG,Aaron | CHH | 35 | 35 | 26 | 24 | 7 | 247.2 |
| Lg | GSL | 2007 | SABATHIA,C.C. | ARC | 36 | 36 | 26 | 22 | 9 | 267.2 |
| Lg | GSL | 2008 | DEMPSTER,Ryan | ARC | 34 | 34 | 31 | 21 | 7 | 243.2 |
| Lg | GSL | 2009 | VAZQUEZ,Javier | GBH | 35 | 35 | 24 | 20 | 6 | 253.0 |
| Lg | GSL | 2010 | SABATHIA,C.C. | ARC | 36 | 36 | 26 | 16 | 10 | 247.1 |
| Lg | GSL | 2011 | LEE,Cliff | CRC | 34 | 32 | 26 | 13 | 12 | 245.1 |
| Lg | GSL | 2012 | HAMELS,Cole | HOO | 32 | 32 | 27 | 26 | 3 | 233.1 |
| Lg | GSL | 2013 | HARVEY,Matt | JBE | 27 | 27 | 26 | 13 | 8 | 207.2 |
| Lg | GSL | 2014 | GRAY,Sonny | ARC | 33 | 33 | 26 | 14 | 12 | 239.2 |
| Lg | GSL | 2015 | SCHERZER,Max | SES | 33 | 33 | 28 | 20 | 8 | 246.2 |
| Lg | GSL | 2016 | BUMGARNER,Madison | HOO | 33 | 33 | 27 | 21 | 6 | 234.2 |
| Lg | GSL | 2017 | SCHERZER,Max | SES | 32 | 32 | 25 | 12 | 10 | 220.2 |
| Lg | GSL | 2018 | HAPP,J.A. | HUM | 31 | 31 | 23 | 13 | 9 | 207.2 |
| Lg | GSL | 2018 | GREINKE,Zack | SFS | 32 | 32 | 23 | 16 | 5 | 216.0 |
| Lg | GSL | 2019 | COLE,Gerrit | SFS | 33 | 33 | 29 | 20 | 3 | 228.2 |
| Lg | GSL | 2020 | BURNES,Corbin | BE | 29 | 29 | 24 | 20 | 4 | 186.0 |
| Lg | GSL | 2020 | WHEELER,Zack | HTA | 34 | 34 | 24 | 20 | 7 | 226.1 |
| Lg | GSL | 2020 | BIEBER,Shane | SFS | 35 | 35 | 24 | 15 | 8 | 234.2 |
| Lg | GSL | 2021 | BUEHLER,Walker | CRS | 33 | 32 | 27 | 19 | 7 | 235.0 |