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Northwest Arkansas Naturals · Pitcher
James McArthur in throwing program
Kansas City Royals pitcher James McArthur has begun a throwing progression during the second half of the season and is on a bullpen schedule as he recovers from elbow surgery. His progress indicates he could rejoin the rotation this season.
Aug 19, 2026
| Year | Team | G | GS | W | L | SV | ERA | WHIP | K | IP | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | Kansas City Royals | 18 | 2 | 1 | 0 | 4 | 4.63 | 0.94 | 23 | 23.1 | 2 |
| 2024 | Kansas City Royals | 57 | 0 | 5 | 7 | 18 | 4.92 | 1.45 | 49 | 56.2 | 14 |
| Career | Totals | 75 | 2 | 6 | 7 | 22 | 4.84 | 1.30 | 72 | 80 | 16 |
Source: MLB Stats API · Multi-team seasons show combined totals — click to expand
| Year | Team | G | GS | W | L | SV | ERA | WHIP | K | IP | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 3 teams▼ | 10 | 6 | 2 | 0 | 0 | 0.54 | 0.81 | 35 | 33.1 | 11 |
| 2019 | 2 teams▼ | 25 | 13 | 3 | 7 | 0 | 4.95 | 1.45 | 91 | 83.2 | 48 |
| 2021 | 2 teams▼ | 20 | 15 | 2 | 6 | 1 | 4.25 | 1.26 | 83 | 78.1 | 24 |
| 2022 | Reading Fightin Phils | 13 | 13 | 2 | 6 | 0 | 5.05 | 1.61 | 65 | 57.0 | 26 |
| 2023 | 2 teams▼ | 28 | 6 | 2 | 3 | 1 | 4.92 | 1.39 | 72 | 56.2 | 28 |
| Career | Totals | 96 | 53 | 11 | 22 | 2 | 4.31 | 1.35 | 346 | 309 | 137 |
Source: MLB Stats API · Multi-team seasons show combined totals — click to expand