Justin Leonard gave himself a second chance, then made the most of it Sunday as he won the $6 million St. Jude Classic with a birdie at the second playoff hole. Leonard needed two holes of the playoff to dispatch Masters Champion Trevor Immelman of South Africa and Australian Robert Allenby, who like Leonard finished regulation tied at 4-under 276. Leonard, who won this event in 2005, started the day three shots off the pace. He took a one-stroke lead with a birdie on 15, but gave it right back when a wayward drive led to a bogey on 17. At the final hole of regulation, he slid a 15-foot birdie putt just over the lip. Given a reprieve in the playoff, Leonard dropped a 19-foot birdie into the cup and then watched as Immelman missed his chance to extend the playoff. All three had parred the first playoff hole. Immelman had made a dramatic late charge with birdies at the last three holes of regulation, curling in a 23-footer at 18 to join the playoff. Earlier the Masters champ had appeared to shoot himself out of the tournament with a double-bogey on the par-5 third, but his sizzling finish overcame the hiccup. Allenby shrugged off an opening bogey to nab six birdies in a 65 that gave him the early clubhouse lead. Spain's Sergio Garcia (66), Ireland's Padraig Harrington (68), Boo Weekley (68) and Germany's Alex Cejka (70) finished one shot back at 277. Fiji's Vijay Singh had grabbed a share of the lead through eight, but fell apart with back-to-back bogeys and a triple-bogey at 12. Singh responded with three birdies in his final four holes for a 1-under 279. Rookie Tseng wins event Tour rookie Tseng Yani of Taiwan birdied the fourth hole of a sudden-death playoff against Sweden's Maria Hjorth to win the LPGA Championship on Sunday for her first major title. The 19-year-old Tseng rolled in a five-foot putt at the 18th green to clinch victory and become the second-youngest woman to win a major championship. American Morgan Pressel was 18 when she won last year's Kraft Nabisco. “I was very nervous,” Tseng told reporters. “It was my first LPGA playoff. I told myself, it is just like in the amateurs – relax.” The victory, which was also her first on the LPGA Tour, was worth $300,000 to Tseng. She posted a four-under-par 68 in the final round to tie 34-year-old Hjorth (71) at 12-under 276 and force the playoff. Tseng charged up the leaderboard with four birdies on the front nine to grab a share of the lead but was briefly overtaken by Hjorth. Hjorth, who had six top-10s in majors but never a victory, looked destined to win after her second shot at the par-five 15th splashed into the creek in front of the green but rebounded off a rock and ran safely to the fringe setting up a birdie. She holed a delicate chip at the 16th for another birdie that lifted her ahead of Tseng before she missed a three-foot par putt and made bogey at the par-three 17th to fall back. The Swede could have clinched her first title at the 72nd hole but missed a 15