Jon Zuber  Jon Edward Zuber (born December 10, 1969) is an American former professional baseball first baseman. He played parts of two seasons in Major League Baseball (MLB) for the Philadelphia Phillies in 1996 and 1998. He also played one season in Nippon Professional Baseball (NPB) for the Yokohama BayStars in 2001. He is currently an assistant coach at his alma mater, The University of California, Berkeley. He attended Campolindo High School in Moraga, California. The school mascot is the Cougar. Zuber was drafted by the Phillies in the 12th round of the 1992 MLB draft. He was a .250 career hitter over 68 major league games. He hit .253 in 1996 and .244 in 1998, though with 2 home runs in only 45 at bats for a .489 slugging average.