Michael Joseph Bacsik (; born November 11, 1977) is a former Major League Baseball (MLB) pitcher and current radio host.
Bacsik is particularly notable for having given up Barry Bonds' 756th career home run on August 7, 2007, which broke the all-time record formerly held by Hank Aaron.
Bacsik is the son of Michael James Bacsik, who pitched in the majors from 1975–1980.