BB9
Roberto Hernández · Season-by-season history
BB9 over time
- Chicago White Sox · MLB
- Tampa Bay Rays · MLB
- Kansas City Royals · MLB
- Cleveland Guardians · MLB
- Houston Astros · MLB
| Season | Team | League | BB9 |
|---|---|---|---|
| 2015 |  Houston Astros |
MLB | 2.8 |
| 2013 |  Tampa Bay Rays |
MLB | 2.3 |
| 2012 |  Cleveland Guardians |
MLB | 1.9 |
| 2011 | Cleveland Guardians |
MLB | 2.9 |
| 2010 | Cleveland Guardians |
MLB | 3.1 |
| 2009 | Cleveland Guardians |
MLB | 5.0 |
| 2008 | Cleveland Guardians |
MLB | 5.2 |
| 2007 | Cleveland Guardians |
MLB | 2.6 |
| 2006 | Cleveland Guardians |
MLB | 3.7 |
| 2002 |  Kansas City Royals |
MLB | 2.1 |
| 2001 | Kansas City Royals |
MLB | 3.5 |
| 2000 | Tampa Bay Rays |
MLB | 2.8 |
| 1999 | Tampa Bay Rays |
MLB | 4.1 |
| 1998 | Tampa Bay Rays |
MLB | 5.2 |
| 1997 |  Chicago White Sox |
MLB | 4.5 |
| 1996 | Chicago White Sox |
MLB | 4.0 |
| 1995 | Chicago White Sox |
MLB | 4.2 |
| 1994 | Chicago White Sox |
MLB | 3.6 |
| 1993 | Chicago White Sox |
MLB | 2.3 |
| 1992 | Chicago White Sox |
MLB | 2.5 |
| 1991 | Chicago White Sox |
MLB | 4.2 |