BB9
Kelvin Herrera · Season-by-season history
BB9 over time
- Kansas City Royals · MLB
- Chicago White Sox · MLB
| Season | Team | League | BB9 |
|---|---|---|---|
| 2020 |  Chicago White Sox |
MLB | 3.9 |
| 2019 | Chicago White Sox |
MLB | 4.0 |
| 2018 |  Kansas City Royals |
MLB | 0.7 |
| 2017 | Kansas City Royals |
MLB | 3.0 |
| 2016 | Kansas City Royals |
MLB | 1.5 |
| 2015 | Kansas City Royals |
MLB | 3.4 |
| 2014 | Kansas City Royals |
MLB | 3.3 |
| 2013 | Kansas City Royals |
MLB | 3.2 |
| 2012 | Kansas City Royals |
MLB | 2.2 |
| 2011 | Kansas City Royals |
MLB | 0.0 |