Dellin Betances struck out the most batters by a relief pitcher in a season in 2015, with 131 strikeouts.
| NAME | SO | SEASON | TM | G | W | L | W% | GS | ERA | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | D. Betances | 131 | 2015 | 74 | 6 | 4 | .600 | 0 | 1.50 | 0 | 0 | 9 | 84.0 | 45 | 14 | 17 | 6 | 40 | 3 | 17 | 2 | 332 | 9 | 14.04 | 4.29 | 3.28 | 0.64 | 39.5 | 12.0 | 1.01 | .257 | 1.82 | 4.82 | |
| 2 |  | A. Chapman | 116 | 2015 | 65 | 4 | 4 | .500 | 0 | 1.63 | 0 | 0 | 33 | 66.1 | 43 | 12 | 13 | 3 | 33 | 5 | 54 | 1 | 278 | 7 | 15.74 | 4.48 | 3.52 | 0.41 | 41.7 | 11.9 | 1.15 | .331 | 1.76 | 5.83 | |
| 3 | | A. Miller | 100 | 2015 | 60 | 3 | 2 | .600 | 0 | 2.04 | 0 | 0 | 36 | 61.2 | 33 | 14 | 16 | 5 | 20 | 5 | 53 | 1 | 246 | 2 | 14.59 | 2.92 | 5.00 | 0.73 | 40.7 | 8.1 | 0.86 | .241 | 2.34 | 4.82 | |
| 4 | | C. Allen | 99 | 2015 | 70 | 2 | 5 | .286 | 0 | 2.99 | 0 | 0 | 34 | 69.1 | 56 | 23 | 26 | 2 | 25 | 2 | 58 | 2 | 286 | 9 | 12.85 | 3.25 | 3.96 | 0.26 | 34.6 | 8.7 | 1.17 | .342 | 3.38 | 7.27 | |
| 5 | | C. Smith | 92 | 2015 | 70 | 2 | 5 | .286 | 0 | 2.31 | 0 | 0 | 13 | 70.0 | 49 | 18 | 19 | 2 | 22 | 7 | 24 | 4 | 284 | 6 | 11.83 | 2.83 | 4.18 | 0.26 | 32.4 | 7.7 | 1.01 | .292 | 2.44 | 6.30 | |
| 6 | | W. Smith | 91 | 2015 | 76 | 7 | 2 | .778 | 0 | 2.70 | 0 | 0 | 0 | 63.1 | 52 | 19 | 23 | 5 | 24 | 1 | 11 | 1 | 264 | 5 | 12.93 | 3.41 | 3.79 | 0.71 | 34.5 | 9.1 | 1.20 | .329 | 3.27 | 7.39 | |
| 7 | | K. Siegrist | 90 | 2015 | 81 | 7 | 1 | .875 | 0 | 2.17 | 0 | 0 | 6 | 74.2 | 53 | 18 | 20 | 4 | 34 | 3 | 13 | 2 | 312 | 0 | 10.85 | 4.10 | 2.65 | 0.48 | 28.8 | 10.9 | 1.17 | .271 | 2.41 | 6.39 | |
| 8 | | B. Brach | 89 | 2015 | 62 | 5 | 3 | .625 | 0 | 2.72 | 0 | 0 | 1 | 79.1 | 57 | 24 | 25 | 7 | 38 | 0 | 12 | 3 | 324 | 1 | 10.10 | 4.31 | 2.34 | 0.79 | 27.5 | 11.7 | 1.20 | .263 | 2.84 | 6.47 | |
| 9 | | K. Giles | 87 | 2015 | 69 | 6 | 3 | .667 | 0 | 1.80 | 0 | 0 | 15 | 70.0 | 59 | 14 | 23 | 2 | 25 | 1 | 28 | 2 | 298 | 1 | 11.19 | 3.21 | 3.48 | 0.26 | 29.2 | 8.4 | 1.20 | .311 | 2.96 | 7.59 | |
| 10 |  | C. Kimbrel | 87 | 2015 | 61 | 4 | 2 | .667 | 0 | 2.58 | 0 | 0 | 39 | 59.1 | 40 | 17 | 19 | 6 | 22 | 1 | 53 | 1 | 239 | 4 | 13.20 | 3.34 | 3.95 | 0.91 | 36.4 | 9.2 | 1.04 | .276 | 2.88 | 6.07 | |
| 11 | | AJ Ramos | 87 | 2015 | 71 | 2 | 4 | .333 | 0 | 2.30 | 0 | 0 | 32 | 70.1 | 45 | 18 | 18 | 6 | 26 | 3 | 51 | 0 | 277 | 2 | 11.13 | 3.33 | 3.35 | 0.77 | 31.4 | 9.4 | 1.01 | .252 | 2.30 | 5.76 | |
| 12 | | D. Robertson | 86 | 2015 | 60 | 6 | 5 | .545 | 0 | 3.41 | 0 | 0 | 34 | 63.1 | 46 | 24 | 27 | 7 | 13 | 1 | 53 | 2 | 250 | 4 | 12.22 | 1.85 | 6.62 | 0.99 | 34.4 | 5.2 | 0.93 | .273 | 3.84 | 6.54 | |
| 13 | | J. Familia | 86 | 2015 | 76 | 2 | 2 | .500 | 0 | 1.85 | 0 | 0 | 43 | 78.0 | 59 | 16 | 16 | 6 | 19 | 2 | 65 | 1 | 308 | 4 | 9.92 | 2.19 | 4.53 | 0.69 | 27.9 | 6.2 | 1.00 | .272 | 1.85 | 6.81 | |
| 14 | | T. Rosenthal | 83 | 2015 | 68 | 2 | 4 | .333 | 0 | 2.10 | 0 | 0 | 48 | 68.2 | 62 | 16 | 16 | 3 | 25 | 1 | 57 | 3 | 287 | 7 | 10.88 | 3.28 | 3.32 | 0.39 | 28.9 | 8.7 | 1.27 | .337 | 2.10 | 8.13 | |
| 15 | | D. O'Day | 82 | 2015 | 68 | 6 | 2 | .750 | 0 | 1.52 | 0 | 0 | 6 | 65.1 | 47 | 11 | 13 | 5 | 14 | 5 | 19 | 1 | 257 | 0 | 11.30 | 1.93 | 5.86 | 0.69 | 31.9 | 5.4 | 0.93 | .278 | 1.79 | 6.47 | |
| 16 | | P. Strop | 81 | 2015 | 76 | 2 | 6 | .250 | 0 | 2.91 | 0 | 0 | 3 | 68.0 | 39 | 22 | 24 | 5 | 29 | 4 | 12 | 6 | 270 | 6 | 10.72 | 3.84 | 2.79 | 0.66 | 30.0 | 10.7 | 1.00 | .225 | 3.18 | 5.16 | |
| 17 |  | K. Jansen | 80 | 2015 | 54 | 2 | 1 | .667 | 0 | 2.41 | 0 | 0 | 36 | 52.1 | 33 | 14 | 14 | 6 | 8 | 2 | 50 | 0 | 200 | 0 | 13.76 | 1.38 | 10.00 | 1.03 | 40.0 | 4.0 | 0.78 | .260 | 2.41 | 5.68 | |
| 18 | | Z. McAllister | 79 | 2015 | 60 | 4 | 3 | .571 | 0 | 2.49 | 0 | 0 | 1 | 65.0 | 57 | 18 | 23 | 6 | 22 | 3 | 9 | 4 | 274 | 3 | 10.94 | 3.05 | 3.59 | 0.83 | 28.8 | 8.0 | 1.22 | .311 | 3.18 | 7.89 | |
| 19 | | Z. Britton | 79 | 2015 | 64 | 4 | 1 | .800 | 0 | 1.92 | 0 | 0 | 36 | 65.2 | 51 | 14 | 16 | 3 | 14 | 1 | 58 | 1 | 253 | 5 | 10.83 | 1.92 | 5.64 | 0.41 | 31.2 | 5.5 | 0.99 | .308 | 2.19 | 6.99 | |
| 20 |  | W. Davis | 78 | 2015 | 69 | 8 | 1 | .889 | 0 | 0.94 | 0 | 0 | 17 | 67.1 | 33 | 7 | 8 | 3 | 20 | 0 | 24 | 1 | 251 | 1 | 10.43 | 2.67 | 3.90 | 0.40 | 31.1 | 8.0 | 0.79 | .200 | 1.07 | 4.41 | |
| 21 | | S. Tolleson | 76 | 2015 | 73 | 6 | 4 | .600 | 0 | 2.99 | 0 | 0 | 35 | 72.1 | 66 | 24 | 25 | 9 | 17 | 2 | 53 | 5 | 298 | 0 | 9.46 | 2.12 | 4.47 | 1.12 | 25.5 | 5.7 | 1.15 | .294 | 3.11 | 8.21 | |
| 22 | | R. Osuna | 75 | 2015 | 68 | 1 | 6 | .143 | 0 | 2.58 | 0 | 0 | 20 | 69.2 | 48 | 20 | 21 | 7 | 16 | 1 | 39 | 2 | 271 | 5 | 9.69 | 2.07 | 4.69 | 0.90 | 27.7 | 5.9 | 0.92 | .238 | 2.71 | 6.20 | |
| 23 | | B. Boxberger | 74 | 2015 | 69 | 4 | 10 | .286 | 0 | 3.71 | 0 | 0 | 41 | 63.0 | 54 | 26 | 29 | 9 | 32 | 2 | 53 | 5 | 271 | 5 | 10.57 | 4.57 | 2.31 | 1.29 | 27.3 | 11.8 | 1.37 | .292 | 4.14 | 7.71 | |
| 24 | | F. Salas | 74 | 2015 | 72 | 5 | 2 | .714 | 0 | 4.24 | 0 | 0 | 0 | 63.2 | 61 | 30 | 34 | 8 | 12 | 3 | 13 | 5 | 269 | 3 | 10.46 | 1.70 | 6.17 | 1.13 | 27.5 | 4.5 | 1.15 | .308 | 4.81 | 8.62 | |
| 25 | | A. Caminero | 73 | 2015 | 73 | 5 | 1 | .833 | 0 | 3.62 | 0 | 0 | 0 | 74.2 | 63 | 30 | 31 | 7 | 29 | 6 | 19 | 2 | 318 | 6 | 8.80 | 3.50 | 2.52 | 0.84 | 23.0 | 9.1 | 1.23 | .276 | 3.74 | 7.59 | |
CIN
CLE
SEA
MIL
STL
BAL
SDP
MIA
NYM
KCR
TEX
TOR
LAA
PITStatMuse has game-level data for strikeouts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
More MLB News
Brewers manager Pat Murphy's former college players say his MLB success hasn't surprised them
Small-ball Rays and their low payroll are four wins from their first World Series title
`Fastball Freddy' Peralta earns ALCS MVP award after pitching the Rays into the World Series
American League Championship Series MVPs
Cleveland comes up short in ALCS, extending World Series title drought to 78 years
Brewers-Rays will produce a first-time champion, and maybe the first all-indoor World Series
More Yankees Stats
Team Batting Leaders 
HR
4
Rice
RBI
9
Rice
AVG
.429
Volpe
Team Pitching Leaders 
W
1
Schlittler
K
13
Fried
ERA
0.00
Headrick
Team Rankings
HR
223
2nd
R
739
9th
SO
1,450
6th
ERA
3.23
1st
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
Twins
Tigers
Athletics