Casey Janssen ERA in 2015
4.952015 Regular Season
Casey Janssen posted a 4.95 ERA in the 2015 regular season.
- 7th-best of Casey Janssen's 9 seasons on file; the best is 2.26 in 2011.
- Up 1.01 from 3.94 in 2014.
Figures come from ESPN's box scores and were last read on September 23, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2006 |  TOR | 19 | 6 | 10 | 5.07 | 94.0 | 44 | 21 | 1.32 | 0 |
| 2007 | TOR | 70 | 2 | 3 | 2.35 | 72.2 | 39 | 20 | 1.20 | 6 |
| 2009 | TOR | 21 | 2 | 4 | 5.85 | 40.0 | 24 | 14 | 1.83 | 1 |
| 2010 | TOR | 56 | 5 | 2 | 3.67 | 68.2 | 63 | 21 | 1.38 | 0 |
| 2011 | TOR | 55 | 6 | 0 | 2.26 | 55.2 | 53 | 14 | 1.10 | 2 |
| 2012 | TOR | 62 | 1 | 1 | 2.54 | 63.2 | 67 | 11 | 0.86 | 22 |
| 2013 | TOR | 56 | 4 | 1 | 2.56 | 52.2 | 50 | 13 | 0.99 | 34 |
| 2014 | TOR | 50 | 3 | 3 | 3.94 | 45.2 | 28 | 7 | 1.18 | 25 |
| 2015 |  WSH | 48 | 2 | 5 | 4.95 | 40.0 | 27 | 8 | 1.15 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV