Joe Kelly (RP) - Boston Red Sox MLB Stats 2021
Updated
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RP
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MLB
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On the mound, Joe posted a 2.86 ERA over 44.0 innings pitched with a 2-0 record in 2021. He had struck out 50 batters and walked 15 and averaging 10.2 strikeouts per nine innings. His WHIP stood at 0.98, allowing 28 hits and 3 home runs. Joe recorded 2 saves. At the plate, Joe batted .000 in 2021 with 0 hits in 3 at-bats across 46 games.
Pitching Splits Pitching performance splits against left-handed and right-handed batters.
| Split | K% | K/9 | BB% | wOBA | xFIP | HH% |
|---|---|---|---|---|---|---|
| vs LHB | 28.8% | 12.6 | 16.4% | 0.432 | 4.26 | 39.7% |
| vs RHB | 32.1% | 11.6 | 6.1% | 0.327 | 2.53 | 39.2% |
| Overall | 30.6% | 11.9 | 10.9% | 0.377 | 3.35 | 39.4% |
Pitching Splits — K% & BB% (2021) Strikeout and walk rates against left-handed batters, right-handed batters, and overall.
Pitching Splits — wOBA (2021) Weighted on-base average allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.
Pitching Splits — HH% (2021) Hard-hit rate allowed against left-handed batters, right-handed batters, and overall. Lower is better for pitchers.
Season Context Key season-level pitching metrics including games played, SIERA, and batted ball data.
Batted Ball Profile (2021) Ground ball vs fly ball tendency — higher GB% generally means fewer home runs allowed.
Traditional Stats Standard pitching stats: ERA, FIP, W/L, saves, holds, innings, and games started. 2021 Season
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Joe Kelly MLB Stats 2021
Joe Kelly is a RP for the Boston Red Sox. View Joe's 2026 stats, recent performance trends, and key statistical categories to evaluate fantasy value and make informed DFS lineup decisions.
Stats updated November 13, 2026.