P · 12 seasons · 2006 – 2017 · B/T: L/L
Eric O'Flaherty is 1st of 0 pitchers in career roto value, a top-tier career by any lens the site offers. The peak came in 2011, +3.1, 112th that season and 8836th of 51,303 player-seasons on record. The value came from ERA (+2.0). It leaked back out through strikeouts (-6.0) and saves (-3.1).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | SEA | 15 | -2.08 | #573 | #62,707 |
| 2007 | SEA | 56 | -2.11 | #949 | #65,414 |
| 2008 | SEA | 7 | -2.06 | #590 | #59,565 |
| 2009 | ATL | 78 | -2.13 | #912 | #69,546 |
| 2010 | ATL | 56 | -2.12 | #582 | #67,547 |
| 2011 | ATL | 78 | -2.11 | #611 | #65,863 |
| 2012 | ATL | 64 | -2.13 | #610 | #68,982 |
| 2013 | ATL | 19 | -2.10 | #589 | #63,980 |
| 2014 | OAK | 21 | -2.07 | #591 | #59,963 |
| 2015 | OAK | 41 | -2.05 | #594 | #57,954 |
| 2016★ | ATL | 39 | -2.02 | #590 | #54,602 |
| 2017 | ATL | 22 | -2.07 | #594 | #61,375 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2006 | SEA | 15 | -2.51 | #506 | #39,237 |
| 2007 | SEA | 56 | 0.75 | #190 | #15,516 |
| 2008 | SEA | 7 | -3.77 | #623 | #49,375 |
| 2009 | ATL | 78 | 0.36 | #215 | #16,925 |
| 2010 | ATL | 56 | 0.23 | #210 | #17,420 |
| 2011★ | ATL | 78 | 3.11 | #112 | #8,836 |
| 2012 | ATL | 64 | 1.51 | #158 | #13,028 |
| 2013 | ATL | 19 | -0.53 | #277 | #20,879 |
| 2014 | OAK | 21 | -0.63 | #273 | #21,368 |
| 2015 | OAK | 41 | -4.59 | #727 | #50,681 |
| 2016 | ATL | 39 | -3.05 | #681 | #45,616 |
| 2017 | ATL | 22 | -2.83 | #657 | #43,542 |
★ Best season by Z