Outfielder who was an All-Star in 1979 with the New York Mets. He was part of the the team's World Series Championship run in 1986.
He attended Abraham Lincoln High School in Brooklyn, New York.
After retirement, he served as manager of the Baltimore Orioles.
His father was welterweight boxer Libero Mazzilli.
Slick-fielding first baseman Keith Hernandez was his teammate on the Mets.