Also, Mahan doesn't believe Tiger Woods has to win a major to validate his return to No. 1 in the world. ... 
Mahan outlasted U.S. Open champion Webb Simpson in 18 holes, leaving him two wins away from joining Tiger Woods. ...
Bethesda (Maryland): Indian golfer Arjun Atwal flirted with danger when he stumbled to a bogey on the last hole but still managed to make the weekend cut in the AT&T National in Bethesda. Atwal, who made just one cut in his first 11 starts, was tied 70th and on the cut-line at six-over 148. Atwal, with a 76 in the first round, seemed to have put himself out of weekend...