 He signed with the San Diego Padres as a free agent in November 2000 but was released on May 15, 2001, after appearing in 14 games with the Portland Beavers in AAA.Mahay signed with the Chicago Cubs on May 19, 2001, Over the next two seasons he was 2-0 with an 8.59 in 11 appearances with the Cubs.Mahay signed with the Texas Rangers in December 2002, and started the season with the Triple-A Oklahoma RedHawks.