How Old Is Mark Williamson? Mark Williamson Birthday
Mark Williamson was born on July 21, 1959 and is 63 years old now.
Birthday: July 21, 1959
How Old - Age: 63
Mark Williamson Death Fact Check
Mark is alive and kicking and is currently 63 years old.
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Mark Williamson - Biography
Mark Alan Williamson (July 21, 1959) is a retired professional baseball player who played pitcher in the Major Leagues from 1987-1994. He played for the Baltimore Orioles. On July 13, 1991, he pitched a no hitter along with Bob Milacki, Mike Flanagan, and Gregg Olson against the Oakland Athletics.