To what extent will a new era begin in Tennessee? With the NFL draft rapidly approaching, a popular theory suggests new Titans coach Ken Whisenhunt wants his "own" quarterback. The theory apparently hasn't made its way to Whisenhunt, who reiterated on Thursday he likes what he's seen from Jake Locker. Yet the coach was also vague when asked about the team's draft plans at the position. "To be honest, I haven't really thought about it that way," said Whisenhunt, who replaced Mike Munchak in January. ... This much is certain: the Titans are checking out quarterback prospects, and they are clearly intrigued with Fresno State's Derek Carr. They spent time with him at the Senior Bowl in January, the NFL combine in February and at Saint Thomas Sports Park earlier this month. The Tennessean