Riley O'Brien plays for the St. Louis Cardinals and is 31 years old (born February 06 1995). He is a Relief Pitcher who stands at 6'4" feet and weighs around 180 lbs. In the 2026 Regular Season he has a 42.86 Win Percentage with a 2.94 ERA. He has 53 Striekouts, with 36 Hits and 19 Runs.
