Rory McIlroy, left, from Northern Ireland, and Phil Mickelson walk over a bridge to the third green during the second round of the Bridgestone Invitational golf tournament at Firestone Country Club, Friday, Aug. 6, 2010, in Akron, Ohio. (AP Photo/Tony Dejak)

Photo by: Tony Dejak

Rory McIlroy, left, from Northern Ireland, and Phil Mickelson walk over a bridge to the third green during the second round of the Bridgestone Invitational golf tournament at Firestone Country Club, Friday, Aug. 6, 2010, in Akron, Ohio. (AP Photo/Tony Dejak)