Tennessee Titans defensive back Perrish Cox (29) celebrates with teammates and fans after intercepting a pass against the St. Louis Rams and running it back for a touchdown during the first half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/James Kenney)

St. Louis Rams wide receiver Kenny Britt (18) leaves the field after warmups before a preseason NFL football game against the Tennessee Titans Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans quarterback Marcus Mariota (8) passes in the first half of a preseason NFL football game against the St. Louis Rams Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans running back Bishop Sankey (20) is stopped by St. Louis Rams free safety Rodney McLeod (23) and cornerback Janoris Jenkins (21) in the first half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/James Kenney)

Tennessee Titans coach Ken Whisenhunt talks with quarterback Marcus Mariota during the first half of a preseason NFL football game against the St. Louis Rams on Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/James Kenney)

Tennessee Titans quarterback Marcus Mariota (8) is chased out of bounds by St. Louis Rams outside linebacker Alec Ogletree during the first half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans wide receiver Hakeem Nicks (14) pushes away St. Louis Rams defensive back Cody Davis (38) during the first half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

St. Louis Rams coach Jeff Fisher talks with second umpire Alan Eck (139) and side judge Laird Hayes (125) in the first half of a preseason NFL football game against the Tennessee Titans Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans quarterback Marcus Mariota (8) passes to wide receiver Dorial Green-Beckham (17) as St. Louis Rams' Robert Quinn (94) defends in the first half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans quarterback Zach Mettenberger (7) passes as running back Antonio Andrews (26) blocks in the first half of a preseason NFL football game against the St. Louis Rams, Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/James Kenney)

St. Louis Rams kicker Greg Zuerlein (4) watches and Tennessee Titans strong safety Marqueston Huff (28) celebrates after Zuerlein missed a 53-yard field goal attempt in the first half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. At right is holder Johnny Hekker. (AP Photo/James Kenney)

St. Louis Rams wide receiver Chris Givens, center, can't hold on to a pass as he is defended by Tennessee Titans cornerback Cody Riggs (37) and strong safety Marqueston Huff (28) during the second half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/James Kenney)

tTennessee Titans tight end Phillip Supernaw (89) is brought down by St. Louis Rams strong safety Maurice Alexander during the second half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans quarterback Alex Tanney (11) celebrates after throwing a 56-yard touchdown pass against the St. Louis Rams during the second half of a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/James Kenney)

St. Louis Rams quarterback Nick Foles (5) greets Tennessee Titans quarterback Marcus Mariota (8) on the field after a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. The Titans won 27-14. (AP Photo/Mark Zaleski)

St. Louis Rams quarterback Nick Foles runs off the field after the team's 27-14 loss to the Tennessee Titans in a preseason NFL football game Sunday, Aug. 23, 2015, in Nashville, Tenn. (AP Photo/Mark Zaleski)