Mitch Keller

Pitcher · Career Stats, Bio & Records (2019-2026)

Mitch Keller is a pitcher who has played in Major League Baseball since 2019 for the Pittsburgh Pirates, a span of 8 seasons. Across 187 career appearances, he has gone 48-73 with a 4.60 ERA and 926 strikeouts. Mitch Keller is an All-Star. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 3943.3.

W (Wins):
Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):
Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):
For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):
Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated

Active Player
W–L 48–73
ERA 4.60
WHIP 1.38
SO 926
Pitcher PIV thru 2025 3943.3
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'2" / 220 lb
Born
4/4/1996 in Cedar Rapids, IA, USA
MLB Debut
2019-05-27
Awards
All-Star
Jersey
#23

Full name: Mitch Thomas Keller

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

Mitch Keller — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
48 73 187 185 2 1 0 993.2 1,031 508 118 341 926 4.60 3943.3

Career ERA 4.60 vs. league average 4.22 across their career seasons — 8.9% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Mitch Keller Stats, Bio & Career Records
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
2019 PIT NL 1 5 11 11 0 0 0 48.0 72 38 16 65 7.12 4.51 (-58%) 1589.7
2020 PIT NL 1 1 5 5 0 0 0 21.2 9 7 18 16 2.91 4.45 (+35%) -1241.5
2021 PIT NL 5 11 23 23 0 0 0 100.2 131 69 49 92 6.17 4.27 (-45%) -93.0
2022 PIT NL 5 12 31 29 0 0 0 159.0 162 69 60 138 3.91 3.97 (+2%) 363.7
2023 PIT NL 13 9 32 32 1 1 0 194.1 187 91 55 210 4.21 4.33 (+3%) 2684.0
2024 PIT NL 11 12 31 31 1 0 0 178.0 182 84 50 166 4.25 4.08 (-4%) 6.9
2025 PIT NL 6 15 32 32 0 0 0 176.1 171 82 51 150 4.19 4.16 (-1%) 633.5
2026 PIT NL 6 8 22 22 0 0 0 115.2 117 68 42 89 5.29 4.18 (-27%) -
Career · 8 seasons 48 73 187 185 2 1 0 993.2 1,031 508 341 926 4.60 — 3,943

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Mitch Keller — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
166 38 2 3 0 0 0 0 0 2 17 .079 .125 .079 .204 0

Career AVG .079 vs. league average .246 across their career seasons — 67.9% below league average.

Career OBP .125 vs. league average .317 across their career seasons — 60.5% below league average.

Career SLG .079 vs. league average .410 across their career seasons — 80.8% below league average.

Career OPS .204 vs. league average .727 across their career seasons — 71.9% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Mitch Keller — Season-by-Season Batting
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
2019 PIT NL 11 10 0 0 0 0 0 0 0 0 3 .000 — — — — 0.0
2020 PIT NL 5 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2021 PIT NL 24 28 2 3 0 0 0 0 0 2 14 .107 — — — — 0.0
2022 PIT NL 31 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2023 PIT NL 32 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2024 PIT NL 31 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2025 PIT NL 32 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 7 seasons 166 38 2 3 0 0 0 0 0 2 17 .079 — — — — 0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (331 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Mitch Keller — Batting — Home / Away
SplitGABRHHRRBIAVG
Home85212200.095
Away81170100.059

Pitching — Home / Away

Mitch Keller — Pitching — Home / Away
SplitGIPHERBBSOERA
Home85456.24622071504144.08
Away80421.14522331494234.98

Last 10 Games — Pitching

Mitch Keller — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
2025-09-26 PITATL — 3.2311561
2025-09-19 PITOAK L 5.0444142
2025-09-12 PITWAS — 5.1422141
2025-09-06 PITMIL L 6.1522041
2025-08-31 PITBOS L 5.0440171
2025-08-26 PITSTL W 6.0333191
2025-08-19 PITTOR L 3.1755341
2025-08-13 PITMIL L 4.0866250
2025-08-08 PITCIN — 5.2622330
2025-08-03 PITCOL W 5.0755143

Fielding Statistics

Career Fielding Totals by Position

Mitch Keller — Career Fielding Totals by Position
Position G GS PO A E DP
P 165 163 65 80 3 10

Season-by-Season Fielding

Mitch Keller — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
2019 PIT P 11 11 3 1 1 0
2020 PIT P 5 5 3 4 0 0
2021 PIT P 23 23 4 10 0 1
2022 PIT P 31 29 10 15 1 2
2023 PIT P 32 32 18 21 1 4
2024 PIT P 31 31 10 21 0 3
2025 PIT P 32 32 17 8 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Mitch Keller — Career Games by Position
Position Games
Pitcher 165

Awards & Honors

Mitch Keller — Awards & Honors
Year Award Notes
2023 Player of the Week Week of 2023-05-13

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

  1. 98
    Yusei Kikuchi
    49-65, 4.49 ERA
  2. 91
    Mike Foltynewicz
    46-54, 4.52 ERA
  3. 89
    Trevor Williams
    55-65, 4.42 ERA
  4. 80
    Brady Singer
    56-71, 4.48 ERA
  5. 79
    Frankie Montas
    47-48, 4.20 ERA
  6. 79
    Dylan Bundy
    54-65, 4.74 ERA

Mitch Keller: the record in brief

Mitch Keller made a major league debut on May 27, 2019 and is still active, so the totals on this page keep changing. Every season row on the page belongs to the Pittsburgh Pirates, from 2019 through 2025. The bio lists Keller as a pitcher who batted and threw right-handed. The recorded size is 6 feet, 2 inches and 220 pounds. Keller was born on April 4, 1996, in Cedar Rapids, IA, USA. On the record, Mitch Keller was born Mitch Thomas Keller.

Keller has gone 48-73 with a 4.60 ERA in 187 games, 185 of them starts. Keller has 926 strikeouts. Against a 4.22 league ERA for the same seasons, the 4.60 mark was 8.9% worse. The best win total was 13, in 2023. In 2022, one of the busiest seasons, Keller posted a 3.91 ERA; the league figure that year was 3.97. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 3,943.3 for Keller's career.

Frequently Asked Questions about Mitch Keller

What years did Mitch Keller play?
Mitch Keller played in Major League Baseball from 2019 to 2026.
Was Mitch Keller a pitcher?
Yes. Mitch Keller pitched in the major leagues, recording 48 wins and 926 strikeouts.
How many home runs did Mitch Keller hit?
Mitch Keller hit 0 career home runs with 3 hits.
What teams has Mitch Keller played for?
Mitch Keller has played for one team, the Pittsburgh Pirates (2019–2026).
Has Mitch Keller won a Cy Young Award?
No. Mitch Keller has not won the Cy Young Award through the 2025 season, the latest in the site's award records.
What awards has Mitch Keller won?
Mitch Keller has been selected to 1 All-Star Game.
What are Mitch Keller's career stats?
In 187 games, Mitch Keller has gone 48-73 with a 4.60 ERA, 926 strikeouts, and 993.2 innings pitched.
What position does Mitch Keller play?
Mitch Keller plays primarily as a pitcher, the position where he has appeared in the most games.
How tall is Mitch Keller and how much does he weigh?
Mitch Keller is listed at 6 feet 2 inches and 220 pounds.
What number does Mitch Keller wear?
Mitch Keller wears number 23, according to MLB's 2026 roster data.
What was Mitch Keller's career ERA?
Mitch Keller finished with a 4.60 career ERA, going 48-73 with 926 strikeouts.
How many strikeouts did Mitch Keller have?
Mitch Keller recorded 926 career strikeouts.
How many All-Star Games has Mitch Keller made?
Mitch Keller has been selected to 1 All-Star Game.