MLB Single Season Leaders - Strikeouts

1. Randy Johnson 372 (2001)
2. Randy Johnson 347 (2000)
3. Randy Johnson 334 (2002)
4. Curt Schilling 316 (2002)
5. Curt Schilling 293 (2001)
6. Randy Johnson 290 (2004)
7. Pedro Martinez 284 (2000)
8. Justin Verlander 269 (2009)
9. Kerry Wood 266 (2003)
10. Johan Santana 265 (2004)
--- Tim Lincecum 265 (2008)
12. Ben Sheets 264 (2004)
13. Tim Lincecum 261 (2009)
14. Jason Schmidt 251 (2004)
15. CC Sabathia 251 (2008)
16. Mark Prior 245 (2003)
--- Johan Santana 245 (2006)
18. Zack Greinke 242 (2009)
19. Javier Vazquez 241 (2003)
20. Jake Peavy 240 (2007)