Trent Dilfer clarifies Tua Tagovailoa doesn’t throw better than Rodgers, Marino

AP

Trent Dilfer, a former first-round draft pick and Super Bowl-winning quarterback, has worked with Tua Tagovailoa in secret.

The two began working in mid-January — before doctors had cleared the Alabama quarterback to return to football activities — at the high school where Dilfer coaches. Dilfer brought in Ken Whisenhunt for film and whiteboard work.

Dilfer is the latest to declare Tagovailoa fully healthy.

But Dilfer, who retired after the 2007 season, raised eyebrows with…