"We know Cam certainly hasn't arrived yet," Callahan said. Ultimately, Ward will have many more opportunities to flash his elite upside as training camp continues. College football fans saw plenty of it last season when Ward threw for 4,313 yards, an FBS-leading 39 touchdowns and just seven interceptions.

Cam Ward’s debut for the Tennessee Titans was one of the few bright spots in their 29-7 loss to the Tampa Bay Buccaneers in the preseason opener.

The Tennessee Titans are the first to point out that rookie Cam Ward has room for improvement even as the No. 1 overall draft pick provided plenty of optimism.