Earned Runs Allowed
Garrett Olson · Season-by-season history
Earned Runs Allowed over time
- Baltimore Orioles · MLB
- Seattle Mariners · 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 | Earned Runs Allowed |
|---|---|---|---|
| 2010 |  Seattle Mariners |
MLB | 19 |
| 2009 | Seattle Mariners |
MLB | 50 |
| 2008 |  Baltimore Orioles |
MLB | 98 |
| 2007 | Baltimore Orioles |
MLB | 28 |