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Shawn ArmstrongCleveland Guardians

BaseballMLBCleveland GuardiansRelief pitcher

Shawn Armstrong

Stats, career and game log

Shawn Armstrong is a right-handed relief pitcher for the Cleveland Guardians who made his MLB debut on Aug 8, 2015, with the Cleveland Indians.

420 MLB games468 strikeouts

Updated

ERA3.062026 seasonStrikeouts342026 seasonInnings35.12026 seasonWHIP1.222026 seasonStarts039 gamesAgatha's record6-511 graded calls since Oct 1, 2026

About Shawn Armstrong

Born on September 11, 1990, in New Bern, North Carolina, Shawn Armstrong pitches in relief for the Cleveland Guardians. He bats right-handed and throws right-handed, and he played college baseball for the East Carolina Pirates.

Agatha Research DeskUpdated Nov 9, 2026

Season by season420

420 appearances: 411 regular season, 9 postseason. Every MLB appearance of his career, newest season first.

SeasonTeamGamesStartsIPKBBERAWHIP
2026CLE41035.134173.061.22
2026 postseason728.2601.040.35
2025TEX71274.074202.310.81
2024TB, STL, CHC57766.266254.861.53
2023TB39652.054111.380.90
2023 postseason101.0100.001.00
2022MIA, TB50361.266174.381.35
2022 postseasonTB101.1300.000.75
2021BAL, TB31036.044156.751.50
2020BAL14015.01431.800.80
2019SEA, BAL55058.063295.741.64
2018SEA14014.21531.230.82
2017CLE21024.220104.381.34
2016CLE10010.2752.531.31
2015CLE808.01122.250.88
Career41118456.24681573.761.23
Career postseason9211.01000.820.45

How he is doing nowLast game Oct 19, 2026

2026 pitching3.06 ERA35.1 innings, 34 strikeouts, 1.22 WHIP
Guardians85-772026 regular season, 5-6 in the playoffs
Last game1.0 IP, 0 K, 1 EROct 19 at Rays
Injury status

No active flag. Latest report 60-Day-IL (60d ago), no longer on the injury report.

Game log, 2026

CLE @ TBFinal 3-7, Oct 19, 2026

IP 1.0, H 1, R 1, ER 1, BB 0, K 0, HR 0, PC-ST 9-6, ERA 1.04, PC 9

Betting: CLE moneyline lost, run line +1.5 did not cover

TB @ CLEFinal 3-1, Oct 18, 2026

IP 1.1, H 1, R 0, ER 0, BB 0, K 0, HR 0, PC-ST 13-10, ERA 0.00, PC 13

Betting: CLE moneyline lost, run line +1.5 did not cover

TB @ CLEFinal 7-3, Oct 17, 2026

IP 1.0, H 0, R 0, ER 0, BB 0, K 1, HR 0, PC-ST 13-9, ERA 0.00, PC 13

Betting: CLE moneyline lost, run line +1.5 did not cover

CLE @ TBFinal 1-3, Oct 13, 2026

IP 1.2, H 1, R 0, ER 0, BB 0, K 1, HR 0, PC-ST 20-15, ERA 0.00, PC 20

Betting: CLE moneyline lost, run line +1.5 did not cover

Show all 10 games
CLE @ CHWFinal 9-5, Oct 8, 2026

IP 1.2, H 0, R 0, ER 0, BB 0, K 2, HR 0, PC-ST 19-15, ERA 0.00, PC 19

Betting: CLE moneyline won, run line -1.5 covered

CLE @ CHWFinal 9-3, Oct 7, 2026

IP 0.2, H 0, R 0, ER 0, BB 0, K 1, HR 0, PC-ST 5-4, ERA 0.00, PC 5

Betting: CLE moneyline won, run line +1.5 covered

CHW @ CLEFinal 4-3, Oct 5, 2026

IP 1.1, H 0, R 0, ER 0, BB 0, K 1, HR 0, PC-ST 16-12, ERA 0.00, PC 16

Betting: CLE moneyline lost, run line -1.5 did not cover

CLE @ KCFinal 11-5, Sep 26, 2026

IP 1.0, H 0, R 0, ER 0, BB 0, K 1, HR 0, PC-ST 11-7, ERA 4.58, PC 11

Betting: CLE moneyline won, run line -1.5 covered

CLE @ KCFinal 12-9, Sep 25, 2026

IP 1.0, H 0, R 0, ER 0, BB 0, K 0, HR 0, PC-ST 19-13, ERA 4.72, PC 19

Betting: CLE moneyline won, run line -1.5 covered

CLE @ BOSFinal 0-1, Sep 23, 2026

IP 0.1, H 0, R 0, ER 0, BB 0, K 0, HR 0, PC-ST 1-1, ERA 4.86, PC 1

Betting: CLE moneyline lost, run line +1.5 covered

Box score lines from ESPN.

Betting: his team's result at the closing moneyline and run line most of our sportsbooks closed at (3 books or more).

CareerDebut 2015

11years2015 to 2026
  1. 2015MLB debutCleveland Guardians
  2. 2023Best start3.0 IP, 5 K, 0 ER, vs Phillies
  3. 2025Best season74.0 IP, 74 K, 2.31 ERA in 71 games
  4. Oct 19, 2026Latest game1.0 IP, 0 K, 1 ER at Rays

Regular season

409 games

456.2 IP, 468 K, 3.76 ERA

Postseason

9 games

11.0 IP, 10 K, 0.82 ERA

MLB debut

2015 seasonCleveland Guardians

Latest game

Oct 19, 2026: 1.0 IP, 0 K, 1 ERRays 7, Guardians 3

Most often against

The teams he has faced most, with his teams' record and his line against each.

New York Yankees14 games
4-10his teams

His line: 13.2 IP, 11 K, 3.95 ERA

Last met Jun 9, 2026

Boston Red Sox13 games
8-5his teams

His line: 13.0 IP, 18 K, 1.38 ERA

Last met Sep 23, 2026

Kansas City Royals13 games
7-6his teams

His line: 15.2 IP, 16 K, 4.02 ERA

Last met Sep 26, 2026

Seattle Mariners13 games
9-4his teams

His line: 11.1 IP, 14 K, 3.18 ERA

Last met Jun 28, 2026

Athletics11 games
6-5his teams

His line: 12.2 IP, 9 K, 2.13 ERA

Last met Aug 31, 2025

Chicago White Sox11 games
6-5his teams

His line: 14.2 IP, 16 K, 0.61 ERA

Last met Oct 8, 2026

Injury history

ESPN's injury reports, newest first.

  1. Sep 12, 202660-Day-IL Calf

    Armstrong (calf) didn't record a strikeout while allowing one run on two hits in one inning during a rehab appearance Friday with Triple-A Columbus.

    ESPN / CLE

  2. Sep 1, 202660-Day-IL Calf

    Armstrong is dealing with a calf strain and has been placed on the 60-day injured list.

    sdio / CLE

  3. Aug 28, 202660-Day-IL Calf

    Armstrong (calf) threw a bullpen session Friday, Tim Stebbins of MLB.com reports.

    ESPN / CLE

  4. Aug 21, 202660-Day-IL Calf

    Armstrong is dealing with a calf strain and has been placed on the 60-day injured list.

    sdio / CLE

Show all 5 reports
  1. Aug 5, 202660-Day-IL Calf

    The Guardians transferred Armstrong (calf) to the 60-day injured list Tuesday.

    ESPN / CLE

Sources and updates

Stats, scores and injury reports come from Agatha's own records: the SABR Lahman Baseball Database for the seasons through 2025, MLB's own box scores, its transactions and ESPN's injury reports.

Updated Nov 11, 2026, 7:24 AM ET. Results and form refresh after every game; biography facts are checked weekly.