SO9
Rafael Betancourt · Season-by-season history
SO9 over time
- Cleveland Guardians · MLB
| Season | Team | League | SO9 |
|---|---|---|---|
| 2009 |  Cleveland Guardians |
MLB | 9.4 |
| 2008 | Cleveland Guardians |
MLB | 8.1 |
| 2007 | Cleveland Guardians |
MLB | 9.1 |
| 2006 | Cleveland Guardians |
MLB | 7.6 |
| 2005 | Cleveland Guardians |
MLB | 9.7 |
| 2004 | Cleveland Guardians |
MLB | 10.3 |
| 2003 | Cleveland Guardians |
MLB | 8.5 |