| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 | FIP | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | ||||||||||||||||||||||||||
| Season Total 3-3 | 10 | 65.0 | 42 | 18 | 9 | 2 | 20 | 82 | 1.25 | 0.95 | 11.35 | 2.77 | — | 259 |
| Year | Level | Team | Org | G | PA | AB | R | H | TB | 2B | 3B | HR | RBI | BB | SO | SB | CS | HBP | SF | SAC | GIDP | AVG | OBP | SLG | OPS | BABIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | MLB | Boston Red Sox | Boston Red Sox | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2010 | MLB | Boston Red Sox | Boston Red Sox | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2011 | MLB | Boston Red Sox | Boston Red Sox | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2012 | MLB | Boston Red Sox | Boston Red Sox | 17 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2021 | MLB | Colorado Rockies | Colorado Rockies | 67 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | 1.000 | 1.000 | 2.000 | 1.000 |
| 2022 | MLB | Colorado Rockies | Colorado Rockies | 57 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2009–2022 | MLB | Career (6 yrs) | 333 | 3 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.333 | 0.333 | 0.333 | 0.666 | — |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | AA | Portland | Boston Red Sox | 31 | 0 | 49.2 | 30 | 14 | 11 | 26 | 64 | 3 | 4 | 1 | 7 | 1.99 | 1.13 | 11.60 |
| 2009 | MLB | Boston Red Sox | Boston Red Sox | 49 | 0 | 49.1 | 41 | 24 | 20 | 22 | 63 | 5 | 2 | 2 | 1 | 3.65 | 1.28 | 11.49 |
| 2010 | MLB | Boston Red Sox | Boston Red Sox | 73 | 0 | 74.2 | 45 | 18 | 16 | 30 | 76 | 6 | 1 | 2 | 3 | 1.93 | 1.00 | 9.16 |
| 2011 | MLB | Boston Red Sox | Boston Red Sox | 70 | 0 | 73.0 | 46 | 29 | 27 | 24 | 74 | 5 | 2 | 9 | 1 | 3.33 | 0.96 | 9.12 |
| 2012 | AAA | Pawtucket | Boston Red Sox | 31 | 1 | 32.0 | 31 | 29 | 25 | 29 | 32 | 2 | 3 | 2 | 0 | 7.03 | 1.88 | 9.00 |
| 2012 | MLB | Boston Red Sox | Boston Red Sox | 17 | 10 | 59.1 | 60 | 42 | 41 | 43 | 38 | 9 | 5 | 6 | 0 | 6.22 | 1.74 | 5.76 |
| 2013 | AA | Portland | Boston Red Sox | 13 | 0 | 12.2 | 13 | 11 | 9 | 17 | 6 | 1 | 0 | 1 | 0 | 6.39 | 2.37 | 4.26 |
| 2013 | MLB | Boston Red Sox | Boston Red Sox | 2 | 0 | 1.0 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 9.00 | 3.00 | 9.00 |
| 2017 | AA | Springfield | St. Louis Cardinals | 10 | 0 | 8.2 | 6 | 10 | 10 | 19 | 7 | 0 | 0 | 1 | 0 | 10.38 | 2.88 | 7.27 |
| 2020 | MLB | Colorado Rockies | Colorado Rockies | 23 | 0 | 24.2 | 22 | 10 | 10 | 10 | 27 | 2 | 4 | 2 | 6 | 3.65 | 1.30 | 9.85 |
| 2021 | MLB | Colorado Rockies | Colorado Rockies | 67 | 0 | 65.2 | 69 | 41 | 38 | 36 | 80 | 8 | 7 | 8 | 20 | 5.21 | 1.60 | 10.96 |
| 2022 | MLB | Colorado Rockies | Colorado Rockies | 57 | 0 | 60.1 | 35 | 15 | 12 | 25 | 69 | 3 | 6 | 4 | 34 | 1.79 | 0.99 | 10.29 |
| 2023 | AAA | Albuquerque | Colorado Rockies | 1 | 0 | 1.0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0.00 | 1.00 | 27.00 |
| 2023 | MLB | Colorado Rockies | Colorado Rockies | 50 | 0 | 49.1 | 35 | 30 | 25 | 49 | 47 | 5 | 4 | 2 | 1 | 4.56 | 1.70 | 8.57 |
| 2025 | AAA | Tacoma | Seattle Mariners | 6 | 0 | 5.2 | 6 | 2 | 2 | 1 | 9 | 0 | 1 | 0 | 0 | 3.18 | 1.24 | 14.29 |
| 2009–2023 | MLB | Career (9 yrs) | 408 | 10 | 457.1 | 354 | 210 | 190 | 241 | 475 | 43 | 31 | 35 | 66 | 3.74 | 1.30 | 9.35 | |
| 2012–2025 | AAA | Career (3 yrs) | 38 | 1 | 38.2 | 38 | 31 | 27 | 30 | 44 | 2 | 4 | 2 | 0 | 6.28 | 1.76 | 10.24 | |
| 2008–2017 | AA | Career (3 yrs) | 54 | 0 | 71.0 | 49 | 35 | 30 | 62 | 77 | 4 | 4 | 3 | 7 | 3.80 | 1.56 | 9.76 |