Jack Flaherty vs Luis Castillo
2of 6 lines
4of 6 lines
Jack Flaherty and Luis Castillo compared on their MLB careers: Jack Flaherty played 10 seasons, 2017 to 2026, Luis Castillo 10 seasons, 2017 to 2026. Jack Flaherty has 66 wins to Luis Castillo's 88. They have faced each other 5 times: Jack Flaherty's team won 3, Luis Castillo's 2. In the playoffs Luis Castillo leads 1-0. Jack Flaherty won 1 title.
Who has the better career numbers?
Luis Castillo leads in 4 of the 6 lines, Jack Flaherty in 2. Bold marks the better figure; playing time — games, minutes, at-bats, innings — is not scored.
Jack Flaherty vs Luis Castillo head to head
They have faced each other 5 times: Jack Flaherty's team won 3, Luis Castillo's 2. In the playoffs Luis Castillo leads 1-0.
Every game against each other
| Jun 7, 2026 |  SEA at  DET | W 5-4 | 5 IP, 6 H, 3 R, 3 ER, 7 K | 5.2 IP, 2 H, 1 R, 1 ER, 5 K |
| Oct 10, 2025 | DET at SEA (playoffs) | L 3-2 F/15 | 2 IP, 0 H, 0 R, 0 ER, 2 K | 1.1 IP, 0 H, 0 R, 0 ER, 1 K |
| Apr 25, 2021 |  CIN at  STL | W 5-2 | 7 IP, 3 H, 1 R, 1 ER, 6 K | 5 IP, 6 H, 4 R, 4 ER, 3 K |
| Apr 1, 2021 | STL at CIN | W 11-6 | 4.1 IP, 6 H, 6 R, 6 ER, 4 K | 3.1 IP, 8 H, 10 R, 8 ER, 0 K |
| Jul 14, 2018 | CIN at STL | L 8-2 | 5 IP, 2 H, 0 R, 0 ER, 5 K | 5 IP, 5 H, 2 R, 2 ER, 2 K |
Games both played on opposite sides, from the game logs on file; the record is their teams’.
How do they compare in the postseason?
Where each stands all time
Among the MLB players with a career line on file, regular season, counting stats only — the same lists the records pages run on.
Titles and awards
Awards come from the league’s published winner lists; a championship counts a season played for the club that won it.
Season by season
Lined up by career year, not by calendar: each row is the players’ nth season.