Brian O'Keefe Stats & Bio | Mariners Catcher

About Brian O'Keefe

Brian O'Keefe serves as a catcher for the Seattle Mariners, wearing jersey number 4. Standing 6'1" and weighing 210 pounds, the Albany, New York native brings a solid presence behind the plate. O'Keefe developed his skills at South Colonie High School before taking his talents to St. Joseph's University, where he refined the craft that would eventually earn him a spot at the professional level. Born on July 15, 1993, he has shown the dedication and resilience required to compete in Major League Baseball. Over his most recent six games, O'Keefe has posted a .167 batting average while continuing to contribute defensively as a reliable backstop. His journey from upstate New York to the major leagues reflects the perseverance that defines his career as a professional catcher.

Updated: Mar 19, 2026