cart Harrington had fallen out of top ten before winning Honda Classic . Irishman returned to the Masters after failing to qualify last year . The three former major sponsor tips ##man Johnson to challenge teammate McIlroy at Augusta .
Padraig Harrington had fallen out of top 300 before winning Honda Classic . Irishman returns to the Masters after failing to qualify last year . The three times major winner tips Dustin Johnson to challenge Rory McIlroy at Augusta .