Stuart Appleby News

Hunter Mahan, shown here on May 11, will join with other PGA Tour players to raise money for tornado relief in Oklahoma.

Louis Oosthuizen, the No. 8 player in the world golf rankings and top-rated player on the commitment list for this week's Crowne Plaza Invitational at Colonial, withdrew Monday because of a neck injury sustained while competing at last week's HP Byron Nelson Championship.

Gordon Gsell of Metairie and Louis Sylve of Harvey cannot wait for the last week of April each year.

Tiger Woods 's two-stroke penalty for a violation at the Masters Tournament and the ruling by the event's committee not to disqualify the golfer are being reviewed by the sport's rulemaking bodies.

Charley Hoffman, seeking his first US PGA Tour win in three years, fired a five-under par 66 to seize a two-shot lead after three rounds of the $6 million Heritage tournament.