SO/BB
Rafael Pérez · Season-by-season history
SO/BB over time
- Cleveland Guardians · MLB
| Season | Team | League | SO/BB |
|---|---|---|---|
| 2012 |  Cleveland Guardians |
MLB | 1.00 |
| 2011 | Cleveland Guardians |
MLB | 1.74 |
| 2010 | Cleveland Guardians |
MLB | 1.44 |
| 2009 | Cleveland Guardians |
MLB | 1.28 |
| 2008 | Cleveland Guardians |
MLB | 3.74 |
| 2007 | Cleveland Guardians |
MLB | 4.13 |
| 2006 | Cleveland Guardians |
MLB | 2.50 |