Koji Uehara played 9 seasons for 4 teams, including the Red Sox and Orioles. He had 22 wins, 26 losses, 95 saves, an ERA of 2.66 and 572 strikeouts. He won 1 League Championship MVP award and 1 World Series.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | K. Uehara | 2009 |  BAL | 12 | 2 | 4 | .333 | 12 | 4.05 | 48 | 0 | 0 | 0 | 66.2 | 71 | 30 | 33 | 7 | 12 | 0 | 0 | 1 | 279 | 0 | 6.48 | 1.62 | 4.00 | 0.95 | 17.2 | 4.3 | 1.24 | .302 | 4.45 | 89 | 3.55 | 77 | 9.58 | 7.4 |
| 2 | | K. Uehara | 2010 | BAL | 43 | 1 | 2 | .333 | 0 | 2.86 | 55 | 0 | 0 | 13 | 44.0 | 37 | 14 | 15 | 5 | 5 | 0 | 22 | 0 | 174 | 1 | 11.25 | 1.02 | 11.00 | 1.02 | 31.6 | 2.9 | 0.95 | .294 | 3.07 | 67 | 2.39 | 55 | 7.57 | 9.2 |
| 3 | | K. Uehara | 2011 | TOT | 65 | 2 | 3 | .400 | 0 | 2.35 | 85 | 0 | 0 | 0 | 65.0 | 38 | 17 | 17 | 11 | 9 | 0 | 22 | 1 | 243 | 0 | 11.77 | 1.25 | 9.44 | 1.52 | 35.0 | 3.7 | 0.72 | .196 | 2.35 | 55 | 3.02 | 72 | 5.26 | 8.2 |
| 4 | | K. Uehara | 2012 |  TEX | 37 | 0 | 0 | 0 | 1.75 | 43 | 0 | 0 | 1 | 36.0 | 20 | 7 | 7 | 4 | 3 | 0 | 13 | 0 | 130 | 1 | 10.75 | 0.75 | 14.33 | 1.00 | 33.1 | 2.3 | 0.64 | .200 | 1.75 | 40 | 2.39 | 56 | 5.00 | 7.3 | |
| 5 | | K. Uehara | 2013 |  BOS | 73 | 4 | 1 | .800 | 0 | 1.09 | 101 | 0 | 0 | 21 | 74.1 | 33 | 9 | 10 | 5 | 9 | 1 | 40 | 2 | 265 | 1 | 12.23 | 1.09 | 11.22 | 0.61 | 38.1 | 3.4 | 0.57 | .188 | 1.21 | 26 | 1.60 | 41 | 4.00 | 19.1 |
| 6 | | K. Uehara | 2014 | BOS | 64 | 6 | 5 | .545 | 0 | 2.52 | 80 | 0 | 0 | 26 | 64.1 | 51 | 18 | 18 | 10 | 8 | 1 | 50 | 0 | 249 | 1 | 11.19 | 1.12 | 10.00 | 1.40 | 32.1 | 3.2 | 0.92 | .273 | 2.52 | 63 | 3.08 | 82 | 7.13 | 4.8 |
| 7 | | K. Uehara | 2015 | BOS | 43 | 2 | 4 | .333 | 0 | 2.23 | 47 | 0 | 0 | 25 | 40.1 | 28 | 10 | 14 | 3 | 9 | 0 | 38 | 1 | 160 | 4 | 10.49 | 2.01 | 5.22 | 0.67 | 29.4 | 5.6 | 0.92 | .248 | 3.12 | 54 | 2.43 | 62 | 6.25 | 6.9 |
| 8 | | K. Uehara | 2016 | BOS | 50 | 2 | 3 | .400 | 0 | 3.45 | 63 | 0 | 0 | 7 | 47.0 | 34 | 18 | 18 | 8 | 11 | 2 | 12 | 1 | 184 | 1 | 12.06 | 2.11 | 5.73 | 1.53 | 34.2 | 6.0 | 0.96 | .260 | 3.45 | 78 | 3.50 | 83 | 6.51 | 3.7 |
| 9 | | K. Uehara | 2017 |  CHC | 49 | 3 | 4 | .429 | 0 | 3.98 | 50 | 0 | 0 | 2 | 43.0 | 38 | 19 | 21 | 7 | 12 | 0 | 10 | 3 | 178 | 0 | 10.47 | 2.51 | 4.17 | 1.47 | 28.1 | 6.7 | 1.16 | .284 | 4.40 | 92 | 3.78 | 88 | 7.95 | 2.6 |
| Total | 436 | 22 | 26 | .458 | 12 | 2.66 | 572 | 0 | 0 | 95 | 480.2 | 350 | 142 | 153 | 60 | 78 | 4 | 207 | 9 | 1,862 | 9 | 10.71 | 1.46 | 7.33 | 1.12 | 30.7 | 4.2 | 0.89 | .253 | 2.86 | 62 | 2.84 | 68 | 6.55 | 69.2 |
More Red Sox Stats
Team Rankings
HR
186
15th
R
786
7th
SO
1,361
16th
ERA
3.70
5th
Yankees 
Blue Jays 
Rays 
Phillies 
Mets 
Brewers 
Dodgers 
Padres 
Guardians 
Tigers 
Mariners 
Astros 
PIT 
ATL 
WSH 
