ERA+
Ian Kennedy · Season-by-season history
ERA+ over time
- New York Yankees · MLB
- Kansas City Royals · MLB
- Texas Rangers · MLB
Hover over a bar for its value. Only numeric values with a recorded season are charted; missing seasons are not treated as zero.
| Season | Team | League | ERA+ |
|---|---|---|---|
| 2023 |  Texas Rangers |
MLB | 61 |
| 2021 | Texas Rangers |
MLB | 178 |
| 2020 |  Kansas City Royals |
MLB | 53 |
| 2019 | Kansas City Royals |
MLB | 140 |
| 2018 | Kansas City Royals |
MLB | 93 |
| 2017 | Kansas City Royals |
MLB | 83 |
| 2016 | Kansas City Royals |
MLB | 117 |
| 2008 |  New York Yankees |
MLB | 54 |
| 2007 | New York Yankees |
MLB | 243 |