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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.
Kenley Jansen
Pitcher2026 · Regular Season
Did you knowKenley Jansen ranks 263rd of 283 relief pitchers in blown saves, at 6.
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▶
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CommandDefensevs Relief Pitchers▶
ReliefDefensevs Relief Pitchers▶
Game log50 games
| Date | Opp | IP | W | L | SV | H | HR | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23, 2026 |  WSH | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Sep 18, 2026 | @ CWS | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| Sep 14, 2026 | @ TOR | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| Sep 12, 2026 |  COL | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| Sep 11, 2026 | COL | 0.1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| Sep 7, 2026 |  MIN | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.00 | 1.00 |
| Sep 6, 2026 | @ CLE | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Sep 4, 2026 | @CLE | 1.2 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0.00 | 0.60 |
| Sep 2, 2026 | @MIN | 0.1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0.00 | 6.00 |
| Aug 29, 2026 |  LAD | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Aug 25, 2026 |  TB | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| Aug 19, 2026 | @ PIT | 0.2 | 0 | 1 | 0 | 2 | 2 | 1 | 0 | 27.00 | 3.00 |
| Aug 17, 2026 | @PIT | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| Aug 13, 2026 | CLE | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Aug 11, 2026 | CLE | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | — | — |
| Aug 9, 2026 | @ SF | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 |
| Aug 1, 2026 | @ ATH | 1 | 0 | 0 | 1 | 2 | 0 | 2 | 0 | 9.00 | 2.00 |
| July 29, 2026 |  BAL | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| July 24, 2026 |  KC | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| July 22, 2026 | @ CHC | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| July 20, 2026 | @CHC | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 2 | 0.00 | 3.00 |
| July 19, 2026 | @ LAA | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0.00 | 1.00 |
| July 11, 2026 |  PHI | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| July 9, 2026 | ATH | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0.00 | 2.00 |
| July 5, 2026 | @ TEX | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| July 2, 2026 | @TEX | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 3.00 |
| June 28, 2026 |  HOU | 1.1 | 0 | 1 | 0 | 2 | 1 | 1 | 1 | 20.25 | 2.25 |
| June 25, 2026 | HOU | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 9.00 | 2.00 |
| June 23, 2026 |  NYY | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — |
| June 20, 2026 | CWS | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0.00 | 2.00 |
| June 19, 2026 | CWS | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| June 13, 2026 | @CLE | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 27, 2026 | LAA | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 1.50 |
| May 24, 2026 | @BAL | 0.2 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 40.50 | 4.50 |
| May 20, 2026 | CLE | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| May 16, 2026 | TOR | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| May 15, 2026 | TOR | 0.2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 13, 2026 | @ NYM | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 |
| May 10, 2026 | @KC | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 4, 2026 |  BOS | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 1.00 |
| April 29, 2026 | @ ATL | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | — | — |
| April 24, 2026 | @ CIN | 0.2 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 27.00 | 3.00 |
| April 22, 2026 |  MIL | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 2 | 0.00 | 3.00 |
| April 18, 2026 | @BOS | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0.00 | 1.00 |
| April 15, 2026 | KC | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| April 14, 2026 | KC | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0.00 | 1.00 |
| April 10, 2026 |  MIA | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| April 4, 2026 |  STL | 0.1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.00 | 3.00 |
| March 31, 2026 | @ ARI | 0.1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 27.00 | 3.00 |
| March 27, 2026 | @ SD | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0.00 | 0.00 |
| Season | G | GS | IP | W | L | SV | ERA | WHIP | H | HR | K | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 50 | 0 | 42.1 | 4 | 6 | 21 | 3.40 | 1.11 | 24 | 7 | 49 | 23 |
| 2025 | 62 | 0 | 59 | 5 | 4 | 29 | 2.59 | 0.95 | 37 | 8 | 57 | 19 |
| 2024 | 54 | 0 | 54.2 | 4 | 2 | 27 | 3.29 | 1.06 | 38 | 4 | 62 | 20 |
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.