Withdrew: From this week’s PGA Championship, England’s Lee Westwood, citing an undisclosed injury. He was replaced in the field by American Jason Kokrak. The PGA begins Thursday at Bellerive Country Club in St. Louis (tee times).
Underwent: Emergency surgery Friday to remove a blood clot, Troy Merritt, according to GolfChannel.com’s Rex Hoggard. Merritt, 32, who won the recent Barbasol Championship, is entered in this week’s PGA Championship (tee times).