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Shawn Armstrong
MLB
About Shawn Armstrong
Shawn Michael Armstrong (born September 11, 1990) is an American professional baseball pitcher for the Cleveland Guardians of Major League Baseball (MLB). He has previously played in MLB for the Seattle Mariners, Baltimore Orioles, Miami Marlins, Tampa Bay Rays, St. Louis Cardinals, Chicago Cubs, and Texas Rangers.
Bio summary from Wikipedia.
Player Stats
| W | 2 | L | 1 | ERA | 4.58 | G | 41 |
|---|---|---|---|---|---|---|---|
| GS | 0 | SV | 0 | IP | 35.1 | H | 29 |
| R | 19 | ER | 18 | BB | 19 | SO | 34 |
| WHIP | 1.358 | H/9 | 7.4 | HR/9 | 1.0 | BB/9 | 4.8 |
| K/9 | 8.7 | FIP | 4.43 | WAR | 0.2 |
2026 pitching — Baseball-Reference
Career — Lahman, through 2025
Pitching
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | IP | H | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | CLE | 0 | 0 | 2.25 | 8 | 0 | 0 | 0 | 0 | 8.0 | 5 | 1 | 2 | 11 |
| 2016 | CLE | 0 | 0 | 2.53 | 10 | 0 | 0 | 0 | 0 | 10.2 | 9 | 1 | 5 | 7 |
| 2017 | CLE | 1 | 0 | 4.38 | 21 | 0 | 0 | 0 | 0 | 24.2 | 23 | 5 | 10 | 20 |
| 2018 | SEA | 0 | 1 | 1.23 | 14 | 0 | 0 | 0 | 1 | 14.2 | 9 | 1 | 3 | 15 |
| 2019 | SEA | 0 | 1 | 14.73 | 4 | 0 | 0 | 0 | 0 | 3.2 | 8 | 1 | 3 | 3 |
| 2019 | BAL | 1 | 0 | 5.13 | 51 | 0 | 0 | 0 | 4 | 54.1 | 58 | 7 | 26 | 60 |
| 2020 | BAL | 2 | 0 | 1.80 | 14 | 0 | 0 | 0 | 0 | 15.0 | 9 | 1 | 3 | 14 |
| 2021 | BAL | 0 | 0 | 8.55 | 20 | 0 | 0 | 0 | 0 | 20.0 | 28 | 5 | 10 | 22 |
| 2021 | TBA | 1 | 0 | 4.50 | 11 | 0 | 0 | 0 | 0 | 16.0 | 11 | 5 | 5 | 22 |
| 2022 | MIA | 0 | 0 | 10.80 | 7 | 0 | 0 | 0 | 0 | 6.2 | 10 | 1 | 3 | 5 |
| 2022 | TBA | 2 | 3 | 3.60 | 43 | 3 | 0 | 0 | 2 | 55.0 | 56 | 6 | 14 | 61 |
| 2023 | TBA | 1 | 0 | 1.38 | 39 | 6 | 0 | 0 | 0 | 52.0 | 36 | 2 | 11 | 54 |
| 2024 | TBA | 2 | 2 | 5.40 | 38 | 7 | 0 | 0 | 1 | 46.2 | 56 | 5 | 19 | 50 |
| 2024 | SLN | 1 | 0 | 2.84 | 11 | 0 | 0 | 0 | 0 | 12.2 | 11 | 1 | 2 | 12 |
| 2024 | CHN | 0 | 1 | 4.91 | 8 | 0 | 0 | 0 | 0 | 7.1 | 10 | 0 | 4 | 4 |
| 2025 | TEX | 4 | 3 | 2.31 | 71 | 2 | 0 | 0 | 9 | 74.0 | 40 | 5 | 20 | 74 |
Season lines from the Lahman Baseball Database (Version 2025, via SABR), joined through the Chadwick Register ID crosswalk. The databank runs through the 2025 season — the current season is the 2026 line below, from the MLB Stats API.
2026 Season — MLB Stats API
Pitching
| W | L | ERA | G | GS | CG | SHO | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1 | 4.58 | 41 | 0 | 0 | 0 | 0 | 35.1 | 30 | 19 | 18 | 4 | 19 | 34 | 1.39 |
2026 regular-season line from the MLB Stats API (statsapi.mlb.com), pulled when this page was built. Multi-team stints are combined; rate stats are recomputed from the combined totals.
Watch Shawn Armstrong Highlights
“Shawn Armstrong 2025 MLB Highlights!” · Open on YouTube · More Shawn Armstrong videos