Sports Briefs: Mahan shares lead after first round at Bridgestone AKRON, Ohio — Coming off four consecutive top 10s that included his first PGA Tour victory, Hunter Mahan overcame a sloppy double bogey with a torrid stretch of birdies for a 3-under 67, giving him a share of the lead with Paul Casey and Rory Sabbatini at the Bridgestone Invitational. |