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James McArthur played 2 major-league seasons (2023-2024) as a P (75). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 2 season lines
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 27 | KCA | 18 | 2 | 1 | 0 | 4 | 23.1 | 23 | 2 | 4.63 | 92 |
| 2024 | 28 | KCA | 57 | 0 | 5 | 7 | 18 | 56.2 | 49 | 14 | 4.92 | 82 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 2023 | P | 18 | 2 | 2 | 4 | 0 | 0 |
| 2024 | P | 57 | 0 | 4 | 9 | 1 | 0 |
Team codes are the source codes (e.g. NYN for the New York Mets, BS1 for the 1875 Boston club). OPS+ is league-season normalized, not park-adjusted; unrecorded source values (such as RBI in the earliest recorded seasons) are absent, never zero-filled.
James McArthur is a playable Legends Deck card, rated from real Statcast data and refreshed nightly: view the James McArthur card.
James McArthur appears in 2 archived official MLB transactions (1 trade), newest first.
| Date | Type | From | To | Details |
|---|---|---|---|---|
| May 8, 2023 | Trade | Philadelphia Phillies | Kansas City Royals | Philadelphia Phillies traded RHP James McArthur to Kansas City Royals for OF Junior Marin and cash. |
| Jun 12, 2018 | Signed | — | Philadelphia Phillies | Philadelphia Phillies signed RHP James McArthur. |
From MLB’s official StatsAPI transactions feed (2011 to the current season, trades/signings/releases involving major-league clubs). Browse the full archive.
Every career total and season line is computed from the SABR / Sean Lahman baseball database (2025 edition, CC BY-SA 3.0), the same source behind our historical position leaderboards. Rate stats use league-season normalization only (OPS+ and ERA+ as marked, never park-adjusted); unrecorded early-era values stay absent rather than being invented. Career totals sum only what the source records.
Award winners and MVP / Cy Young / Rookie of the Year voting history come from the same database; the year pages live under MLB award voting history. Official transactions (2011 to the current season) come from the MLB StatsAPI feed on our transactions archive.