By The Associated Press

At Dove Mountain, The Ritz-Carlton Golf Club

Marana, Ariz.

Yardage: 7,791; Par: 72

Second Round

Friday

Seeds in parentheses

Nicolas Colsaerts (37), Belgium, def. Justin Rose (5), England, 4 and 2.

Matt Kuchar (21), United States, def. Sergio Garcia (12), Spain, 2 and 1.

Tim Clark (59), South Africa, def. Thorbjorn Olesen (38), Denmark, 3 and 2.

Ian Poulter (11), England, def. Bo Van Pelt (22), United States, 3 and 1.

Bubba Watson (8), United States, def. Jim Furyk (25), United States, 22 holes.

Jason Day (41) Australia, def. vs. Russell Henley (56), United States, 19 holes.

Martin Kaymer (26), Germany, def. Rafael Cabrera Bello (58), Spain, 2 and 1.

Hunter Mahan (23), United States, def. Richard Sterne (55), South Africa, 4 and 3.

Robert Garrigus (36), United States, def. Louis Oosthuizen (4), South Africa, 3 and 2.

Fredrik Jacobson (45), Sweden, def. Marcus Fraser (52), Australia, 4 and 3.

Scott Piercy (35), United States, def. Luke Donald (3), England, 7 and 6.

Steve Stricker (14), United States, def. Nick Watney (19), United States, 21 holes.

Shane Lowry (64), Ireland, def. Carl Pettersson (33), Sweden, 6 and 5.

Graeme McDowell (17), Northern Ireland, def. Alexander Noren (49), Sweden, 20 holes.

Gonzalo Fernandez-Castano (31), Spain, def. Charles Howell III (63), United States, 6 and 5.

Webb Simpson (15), United States, def. Peter Hanson (18), Sweden, 1 up.