Michael turned professional in 1984 and played on the European Tour 1986-89 and 1992, winning the 1989 Scottish Open. Allen played on the PGA Tour 1990-95, 2002, and 2004-09. He has played over 300 events on the PGA Tour and has three second place finishes (2004 Chrysler Classic of Greensboro, 2007 Turning Stone Resort Championship and 2010 Viking Classic) and three third place finishes, but no wins. He played on the Nationwide Tour 1997-2001 and 2003, winning the Nike Greater Austin Open in 1998.
