J.T. Poston completed a wire-to-wire victory Sunday in the John Deere Classic for his second PGA Tour title and a spot in the Open Championship. Three strokes ahead entering Sunday, Poston closed with a 2-under 69 for a 3-stroke margin of vicory. Poston is only the third wire-to-wire winner in tournament history, following Scott Hoch in 1980 and David Frost in 1992. The 29-year-old player finished at 21-under for the weekend.  Poston won a week after tying for second in Connecticut in the Travelers Championship.