PGA Tour rookie Johnny Keefer is set to make his Valero Texas Open debut at TPC San Antonio. Keefer, a San Antonio resident who graduated from Johnson High School, is playing in front of family and friends at the Oaks Course. In his rookie season, Keefer has made five cuts in eight starts and is currently ranked 60 in the FedExCup standings. He also holds an invitation to the Masters Tournament. The ValeroTexas Open, one of the oldest events on the PGA Tour, offers a potential final spot in the Masters field if not already eligible.