SPORTSMarcus Mariota at Titans training camp 2016Titans quarterback Marcus Mariota signed autographs for fans for more than an hour after practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanBrogan High 8, gets an autograph from Titans quarterback Marcus Mariota after practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota signed autographs for fans for more than an hour after practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota signed autographs for fans for more than an hour after practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) spins the ball as he waits to start practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) stretches before the start of practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV, George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) throws a pass during practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV, George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) shares a laugh with his teammates quarterbacks Matt Cassel (16) and Alex Tanney (11) during practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) talks with running back DeMarco Murray (29) as they rest between period of practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) throws a pass during practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) speeds past safety Daimion Stafford (39) during practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) throws a pass during practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The TennesseanTitans quarterback Marcus Mariota (8) congratulates tight end Delanie Walker (82) after he caught his pass in the end zone during practice at St. Thomas Sports Park Monday Aug. 1, 2016, in Nashville, Tenn.George Walker IV / The Tennessean