(Reuters) - Canadian Brooke Henderson won her first major title by beating Lydia Ko in a sudden-death playoff at the KPMG Women's PGA Championship in Sammamish, Washington on Sunday. Henderson sank a three-foot birdie putt at the first extra hole, the par-four 18th, after firing an exquisite seven-iron approach to near tap-in distance at Sahalee, east of Seattle. At 18 years and nine months, Henderson became the second-youngest woman to win a major after New Zealander Ko, who won last year's Evian Championship aged 18 years and four months. More...