LOUISVILLE, Ky. - Hale Irwin birdied the 18th hole to win the weather-plagued Senior PGA Championship by one stroke over Jay Haas. The tournament was delayed five times in five days because of heavy rains.

Irwin led after each round at Valhalla Golf Club and finished at 8-under 276.

CHICAGO - Andy Pettitte went back on the 15-day disabled list because of a strained muscle in his left forearm.The Houston left-hander was hurt Wednesday during a game against the Chicago Cubs. He's eligible to be activated June 11.

OKLAHOMA CITY - Kristen Dedmon drove in the go-ahead runs with a pinch-hit, two-run single with two outs in the fifth inning, and UCLA went on to beat California 3-1 for its second straight NCAA softball championship.The Bruins won their 10th NCAA title and became the first team to win back-to-back championships since Arizona in 1996-97.