SO9
Roberto Hernández · Season-by-season history
SO9 over time
- Chicago White Sox · MLB
- Tampa Bay Rays · MLB
- Kansas City Royals · MLB
- Cleveland Guardians · MLB
- Houston Astros · MLB
| Season | Team | League | SO9 |
|---|---|---|---|
| 2015 |  Houston Astros |
MLB | 4.5 |
| 2013 |  Tampa Bay Rays |
MLB | 6.7 |
| 2012 |  Cleveland Guardians |
MLB | 1.3 |
| 2011 | Cleveland Guardians |
MLB | 5.2 |
| 2010 | Cleveland Guardians |
MLB | 5.3 |
| 2009 | Cleveland Guardians |
MLB | 5.7 |
| 2008 | Cleveland Guardians |
MLB | 4.3 |
| 2007 | Cleveland Guardians |
MLB | 5.7 |
| 2006 | Cleveland Guardians |
MLB | 7.0 |
| 2002 |  Kansas City Royals |
MLB | 6.8 |
| 2001 | Kansas City Royals |
MLB | 6.1 |
| 2000 | Tampa Bay Rays |
MLB | 7.5 |
| 1999 | Tampa Bay Rays |
MLB | 8.5 |
| 1998 | Tampa Bay Rays |
MLB | 6.9 |
| 1997 |  Chicago White Sox |
MLB | 8.8 |
| 1996 | Chicago White Sox |
MLB | 9.0 |
| 1995 | Chicago White Sox |
MLB | 12.7 |
| 1994 | Chicago White Sox |
MLB | 9.4 |
| 1993 | Chicago White Sox |
MLB | 8.1 |
| 1992 | Chicago White Sox |
MLB | 8.6 |
| 1991 | Chicago White Sox |
MLB | 3.6 |