Mark Kolozsvary Stats & Bio | Red Sox Catcher

About Mark Kolozsvary

Mark Kolozsvary is a catcher for the Boston Red Sox, wearing jersey number 61. Standing at 5'7" and weighing 185 lbs, Kolozsvary proves that determination and skill matter far more than size behind the plate. Born on September 4, 1995, in Eustis, Florida, he developed his passion for baseball in the Sunshine State before honing his craft at the University of Florida, one of college baseball's most prestigious programs. Known for his gritty, competitive approach to the game, Kolozsvary brings a relentless work ethic to every at-bat and every opportunity to block and frame pitches. His journey through professional baseball reflects the perseverance required to reach the major league level, and he continues to embrace every opportunity to contribute to the Red Sox organization with energy and professionalism.

Updated: Mar 14, 2026