Last update on. From the section GolfDavis won three of his last two holes of regulation play.Rocket Mortgage Classic final leaderboard: -18 C Davis, T Merritt and J Niemann (US), - Davis wins at the 5th extra hole; -17 H Lebioda(US), A Noren (Swe); 16 B Watson (US), B Hagy. Other selections: -15 S Power.After a three-way playoff at the Rocket Mortgage Classic, Detroit, Cam Davis won his first PGA Tour victory.After 72 holes, the trio finished at 18 under, the 26-year old won.Niemann missed the first play-off hole, leaving Merritt and Davis to fight it out.Davis held firm to win the fifth hole.To be in contention for the title, he had three shots on his last two holes of regulation play.After a fantastic eight-under 64, Alex Noren from Sweden had taken the clubhouse lead at 17 under. He was one shot behind the play-off.After three rounds of challenging play, Tom Lewis from England was able to finish his 72nd round tied for 25th.