Colorado Rockies Strikeouts / 9 Leaders
Career totals with the Rockies and the best single seasons in club history. Records run through the 2025 season.
German Marquez holds the Rockies career record with 8.39 strikeouts / 9. The single-season record is 10.56, by German Marquez in 2018.
Rate records use the league's own minimums: a season needs the standard 1.0 inning per team game with the club, a career 1,000+ innings pitched with the club.
All-time Rockies leaders
Career totals with the club| # | Player | With the club | K/9 | G |
|---|---|---|---|---|
| 1 |
 German Marquez
|
2016–2025 | 8.39 | 203 |
| 2 |
 Jorge De La Rosa
|
2008–2016 | 7.77 | 209 |
| 3 |
 Kyle Freeland
|
2017–2025 | 6.74 | 236 |
| 4 |
 Jeff Francis
|
2004–2013 | 6.26 | 197 |
| 5 |
 Aaron Cook
|
2002–2011 | 3.83 | 238 |
Single-season Rockies records
Best seasons in club history| # | Player | Season | K/9 | G |
|---|---|---|---|---|
| 1 |
German Marquez
|
2018 | 10.56 | 33 |
| 2 |
 Jon Gray
|
2016 | 9.91 | 29 |
| 3 |
Jon Gray
|
2018 | 9.56 | 31 |
| 4 |
Jorge De La Rosa
|
2009 | 9.39 | 33 |
| 5 |
German Marquez
|
2019 | 9.05 | 28 |
| 6 |
 Pedro Astacio
|
2000 | 8.85 | 32 |
| 7 |
German Marquez
|
2021 | 8.80 | 32 |
| 8 |
 Ubaldo Jimenez
|
2010 | 8.69 | 33 |
| 9 | Tyler Anderson | 2018 | 8.39 | 32 |
| 10 |
Ubaldo Jimenez
|
2009 | 8.17 | 33 |
| 10 |
German Marquez
|
2017 | 8.17 | 29 |
| 12 |
Pedro Astacio
|
1999 | 8.15 | 34 |
| 13 |
German Marquez
|
2020 | 8.04 | 13 |
| 14 |
Ubaldo Jimenez
|
2008 | 7.79 | 34 |
| 15 |
Kyle Freeland
|
2018 | 7.70 | 33 |
| 16 | Ryan Feltner | 2024 | 7.65 | 30 |
| 17 |
German Marquez
|
2022 | 7.43 | 31 |
| 18 |
 Denny Neagle
|
2001 | 7.33 | 30 |
| 19 |
Pedro Astacio
|
1998 | 7.31 | 35 |
| 20 |
 Jason Hammel
|
2010 | 7.14 | 30 |
| 21 |
 Jhoulys Chacin
|
2011 | 6.96 | 31 |
| 22 |
Jeff Francis
|
2007 | 6.90 | 34 |
| 23 |
Kyle Freeland
|
2025 | 6.86 | 31 |
| 24 |
Jorge De La Rosa
|
2014 | 6.79 | 32 |
| 25 |
Jason Hammel
|
2009 | 6.78 | 34 |