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How to read this page
A player page shows one box score, because a hitter and a pitcher share almost no column — which half you get follows the one he appears in. Every rate is built from summed counts, so a batting average is hits over at bats across whatever window you picked rather than an average of nightly averages. Pitchers rank against starters or relievers, which is the split the sport itself draws. A dash means no number for that cell, or a zero in a roster column that counts.
Aroldis Chapman
Pitcher2026 · Regular Season
One to noteAroldis Chapman sits 18th of 282 relief pitchers in earned runs, at 11.
94th beats 94% of the Relief Pitchers; 1 is the best of however many the row says. Higher is always better, whichever way the stat runs. Red to green by where the placing sits. A stat with no better end is left unpainted.
Cardsall 4 shown▶
Playing TimeDefensevs Relief Pitchers▶
ResultsDefensevs Relief Pitchers▶
CommandDefensevs Relief Pitchers▶
ReliefDefensevs Relief Pitchers▶
Game log53 games
| Date | Opp | IP | W | L | SV | H | HR | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23, 2026 |  CLE | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0.00 | 0.00 |
| Sep 13, 2026 |  KC | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 2 | 0.00 | 2.00 |
| Sep 12, 2026 | KC | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 1.00 |
| Sep 6, 2026 | @ BAL | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0.00 | 1.00 |
| Sep 4, 2026 | @BAL | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| Sep 3, 2026 | @BAL | 1 | 0 | 0 | 1 | 2 | 1 | 2 | 0 | 18.00 | 2.00 |
| Aug 31, 2026 |  SEA | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| Aug 24, 2026 | @ MIA | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| Aug 23, 2026 |  SF | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| Aug 21, 2026 | SF | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 0.00 | 1.00 |
| Aug 19, 2026 |  ARI | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| Aug 15, 2026 | @ PIT | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| Aug 9, 2026 |  ATH | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 9.00 | 3.00 |
| Aug 6, 2026 |  CWS | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 9.00 | 1.00 |
| Aug 1, 2026 | @ LAD | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | — | — |
| July 30, 2026 | @ATH | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0.00 | 1.00 |
| July 29, 2026 | @ATH | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 1.00 |
| July 27, 2026 | @ATH | 1 | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 0.00 | 1.00 |
| July 24, 2026 |  TOR | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0.00 | 1.00 |
| July 22, 2026 | BAL | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0.00 | 2.00 |
| July 20, 2026 | BAL | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 0.00 | 2.00 |
| July 18, 2026 |  TB | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.00 | 2.00 |
| July 17, 2026 | TB | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| July 12, 2026 | @ NYM | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| July 9, 2026 | @CWS | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| July 5, 2026 | @ LAA | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 9.00 | 1.00 |
| July 3, 2026 | @LAA | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0.00 | 2.00 |
| June 28, 2026 |  NYY | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 9.00 | 2.00 |
| June 27, 2026 | NYY | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| June 25, 2026 | NYY | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0.00 | 3.00 |
| June 22, 2026 | @ COL | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | — | — |
| June 18, 2026 | TOR | 1 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 9.00 | 2.00 |
| June 13, 2026 |  TEX | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0.00 | 1.00 |
| June 5, 2026 | @NYY | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0.00 | 2.00 |
| May 31, 2026 | @CLE | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 1.00 |
| May 20, 2026 | @KC | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| May 18, 2026 | @KC | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| May 16, 2026 | @ ATL | 0.2 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0.00 | 3.00 |
| May 15, 2026 | @ATL | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 13, 2026 |  PHI | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 2 | 0.00 | 2.00 |
| May 8, 2026 | TB | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 4, 2026 | @ DET | 0.2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| May 3, 2026 |  HOU | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 1.00 |
| May 1, 2026 | HOU | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| April 26, 2026 | @BAL | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| April 20, 2026 | DET | 0.2 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0.00 | 1.50 |
| April 17, 2026 | DET | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0.00 | 3.00 |
| April 14, 2026 | @ MIN | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 |
| April 7, 2026 |  MIL | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.00 | 1.00 |
| April 4, 2026 |  SD | 1 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 9.00 | 2.00 |
| April 3, 2026 | SD | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| March 28, 2026 | @ CIN | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| March 26, 2026 | @CIN | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Season | G | GS | IP | W | L | SV | ERA | WHIP | H | HR | K | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 53 | 0 | 50 | 3 | 4 | 35 | 1.98 | 1.16 | 35 | 3 | 71 | 23 |
| 2025 | 67 | 0 | 61.1 | 5 | 3 | 32 | 1.17 | 0.70 | 28 | 3 | 85 | 15 |
| 2024 | 68 | 0 | 61.2 | 5 | 5 | 14 | 3.79 | 1.35 | 44 | 5 | 98 | 39 |
About MLB Research
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Every number the site holds for a Major League team and the players who played for it, in one place. Pick a club, a season and a set of games, and read it. Nothing here needs an account.
Where the numbers come from
The same tables the boards read, resolved through one shared definition per stat. A rate is computed over the whole window rather than averaged across games, so a season figure is not the mean of the nightly ones.