* Stuard earns spot at 2017 Masters with win * Lovemark and An share second place (Adds detail, quotes) May 2 (Reuters) - Journeyman Brian Stuard clinched his first PGA Tour title with a gripping playoff victory over fellow American Jamie Lovemark and South Korean An Byeong-hun at the weather-plagued Zurich Classic of New Orleans on Monday. The 33-year-old Stuard sealed the win on the second extra hole at the TPC Louisiana, the par-five 18th, after laying up in two, hitting a superb third shot to three feet and knocking in the birdie putt. "This means a lot," an emotional Stuard told Golf Channel after earning a winner's cheque for $1.26 million, a two-year exemption on the PGA Tour and a spot at next year's Masters. More...