Japan's Hiroshi Iwata holds a one-stroke lead after carding a 7-under 63 in Thursday's opening round of the Zozo Championship.Masters champion Hideki Matsuyama and Chile's Joaquin Niemann finished the day one shot back in a tie for second on the par-70 Narashino Country Club course in Chiba Prefecture near Tokyo.Tokyo Olympic gold medalist Xander Schauffele completed the round in an even-par 70, while American compatriot Collin Morikawa, winner of this year's British Open, shot 71.The 40-year-old Iwata shot an eagle, six birdies and a bogey to emerge as the early front-runner in the PGA Tou…READ FULL ARTICLE