ERA+
Lucas Giolito · Season-by-season history
ERA+ over time
- Chicago White Sox · MLB
- Boston Red Sox · 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+ |
|---|---|---|---|
| 2025 |  Boston Red Sox |
MLB | 120 |
| 2023 |  Chicago White Sox |
MLB | 117 |
| 2022 | Chicago White Sox |
MLB | 81 |
| 2021 | Chicago White Sox |
MLB | 124 |
| 2020 | Chicago White Sox |
MLB | 128 |
| 2019 | Chicago White Sox |
MLB | 134 |
| 2018 | Chicago White Sox |
MLB | 69 |
| 2017 | Chicago White Sox |
MLB | 181 |