Phil Mickelson cards disastrous 10 on 18th hole of Texas Open

Phil Mickelson had one of the worst holes in his life in the first round of the Valero Texas Open in San Antonio. The 50-year-old Mickelson, who is now also playing some events on the Champions Tour, posted a 10 on the par-5 18th hole when he took two penalty shots and another three strokes…