ERA+
Greg Holland · Season-by-season history
ERA+ over time
- Kansas City Royals · MLB
- Texas Rangers · MLB
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2022 |  Texas Rangers |
MLB | 56 |
| 2021 |  Kansas City Royals |
MLB | 94 |
| 2020 | Kansas City Royals |
MLB | 247 |
| 2015 | Kansas City Royals |
MLB | 110 |
| 2014 | Kansas City Royals |
MLB | 274 |
| 2013 | Kansas City Royals |
MLB | 342 |
| 2012 | Kansas City Royals |
MLB | 142 |
| 2011 | Kansas City Royals |
MLB | 228 |
| 2010 | Kansas City Royals |
MLB | 63 |