SO9
Danny Duffy · Season-by-season history
SO9 over time
- Kansas City Royals · MLB
Hover over a point for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | SO9 |
|---|---|---|---|
| 2021 |  Kansas City Royals |
MLB | 9.6 |
| 2020 | Kansas City Royals |
MLB | 9.1 |
| 2019 | Kansas City Royals |
MLB | 7.9 |
| 2018 | Kansas City Royals |
MLB | 8.2 |
| 2017 | Kansas City Royals |
MLB | 8.0 |
| 2016 | Kansas City Royals |
MLB | 9.4 |
| 2015 | Kansas City Royals |
MLB | 6.7 |
| 2014 | Kansas City Royals |
MLB | 6.8 |
| 2013 | Kansas City Royals |
MLB | 8.1 |
| 2012 | Kansas City Royals |
MLB | 9.1 |
| 2011 | Kansas City Royals |
MLB | 7.4 |