Doug Mayo Memorial Golf InvitationalLogo Design Contest Logo Design Contest Contests / Doug Mayo Memorial Golf Invitational Doug Mayo Memorial Golf Invitational has selected their winning logo design. For $400 they received 36 designs from 12 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Ajiano Return to Contest Return to Contest Withdrawn New #3 Withdrawn New #2 Discussion No comments yet.