Top-ranked Yani Tseng successfully defended her title in the LPGA Tour's NW Arkansas Championship on Sunday, beating Amy Yang with a 4-foot birdie putt on the first hole of a playoff. Yang missed a 6-foot birdie try before Tseng holed the winning putt on the par-5 18th. "I almost cry because today, like in the middle of the round, I felt like, 'Oh, I'm going to lose today."...