AUGUSTA, Ga. (AP) — Jordan Spieth romped to his first major championship with a record-tying performance at the Masters on Sunday, shooting an 18-under 270 to become the first wire-to-wire winner of the green jacket since 1976. No one got closer than three shots of the lead all day. Spieth shot a 2-under 70 to hold off Justin Rose and Phil Mickelson.