William Glenn Abbott (born February 16, 1951) is a former Major League Baseball (MLB) pitcher and former pitching coach for the Syracuse Mets. During an 11-year baseball career, he pitched for the Oakland Athletics (1973–76), Seattle Mariners (1977–81; 1983), and Detroit Tigers (1983–84). Abbott, along with Vida Blue, Paul Lindblad and Rollie Fingers combined for the first four-pitcher combined no-hitter in MLB history.