John Daly to undergo knee replacement surgery

John Daly is scheduled to under knee-replacement surgery this week, with hopes of returning to a pain free golf game.

Daly, 56, told PGATour.com of his plans to undergo left knee replacement surgery Wednesday, a mere three days after Sunday's conclusion of the PNC Championship. Daly had his right knee replaced three years ago.

"It's tough when you don't have a follow-through," Daly said. "I'm basically just trying to st