Clay Walker and Hootie & the Blowfish's Darius Rucker will play in the AT&T Pebble Beach National Pro-Am in Pebble Beach, Calif., that begins Thursday (Feb. 8). Walker is paired with professional golfer Jeff Overton and Rucker with John Daly. Thursday night, Walker will perform a free Band Against MS Foundation concert at Planet Gemini in Monterrey, Calif. The foundation raises money for MS research and programs, as well as raises awareness about the disease. Other celebrities participating in the tournament include Clint Eastwood, Kevin Costner and NFL greats Emmitt Smith and Tom Brady. Rucker is planning to record a solo country album for Capitol in 2007.