Riley O'Brien Recalled By St. Louis Cardinals On June 9, 2025

O'Brien is back on the Cardinals' roster and will wear jersey number 55. The right-handed reliever has been recalled several times this season.

In 2025, he has pitched 4 1/3 innings with an ERA of 6.23. His recall comes just before the Cardinals' home game against the Blue Jays at Busch Stadium.