Shawn Armstrong has a 6-5 record with an ERA of 3.50, 187 strikeouts and 3 saves in 131 appearances for the Rays in his career.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | S. Armstrong | 2021 |  TBR | 11 | 1 | 0 | 1.000 | 0 | 4.50 | 22 | 0 | 0 | 0 | 16.0 | 11 | 8 | 8 | 5 | 5 | 1 | 3 | 0 | 65 | 0 | 12.38 | 2.81 | 4.40 | 2.81 | 33.8 | 7.7 | 1.00 | .188 | 4.50 | 110 | 5.60 | 136 | 6.19 | -2.8 |
| 2 | | S. Armstrong | 2022 | TBR | 43 | 2 | 3 | .400 | 3 | 3.60 | 61 | 0 | 0 | 2 | 55.0 | 56 | 22 | 22 | 6 | 14 | 4 | 18 | 2 | 235 | 2 | 9.98 | 2.29 | 4.36 | 0.98 | 26.0 | 6.0 | 1.27 | .333 | 3.60 | 98 | 3.29 | 87 | 9.16 | 3 |
| 3 | | S. Armstrong | 2023 | TBR | 39 | 1 | 0 | 1.000 | 6 | 1.38 | 54 | 0 | 0 | 0 | 52.0 | 36 | 8 | 12 | 2 | 11 | 4 | 5 | 0 | 207 | 0 | 9.35 | 1.90 | 4.91 | 0.35 | 26.1 | 5.3 | 0.90 | .250 | 2.08 | 34 | 2.54 | 61 | 6.23 | 9.5 |
| 4 | | S. Armstrong | 2024 | TBR | 38 | 2 | 2 | .500 | 7 | 5.40 | 50 | 0 | 0 | 1 | 46.2 | 56 | 28 | 30 | 5 | 19 | 2 | 4 | 0 | 214 | 1 | 9.64 | 3.66 | 2.63 | 0.96 | 23.4 | 8.9 | 1.61 | .370 | 5.79 | 140 | 3.76 | 95 | 10.80 | 1 |
| Total | 131 | 6 | 5 | .545 | 16 | 3.50 | 187 | 0 | 0 | 3 | 169.2 | 159 | 66 | 72 | 18 | 49 | 11 | 30 | 2 | 721 | 3 | 9.92 | 2.60 | 3.82 | 0.95 | 25.9 | 6.8 | 1.23 | .309 | 3.82 | 91 | 3.41 | 86 | 8.43 | 10.8 |
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