
Riley O'Brien
St. Louis Cardinals • #55 • RP
Riley O'Brien Recalled By St. Louis Cardinals On June 5, 2025
Riley O'Brien has been recalled by the St. Louis Cardinals to join their 40-man active roster.
What It Means
The Cardinals have added a right-handed pitcher back to their 40-man active roster. He brings four years of MLB experience and has previously been recalled this season.
In the 2025 regular season, he has appeared in three games, pitching 2 2/3 innings. His next opportunity to contribute could come during the upcoming home game against the Kansas City Royals at Busch Stadium.