MINNEAPOLIS (AP) Tennessee coach Mike Munchak gambled by playing much of his starting offense in the final preseason game.Minnesota coach Leslie Frazier wanted no part of that, and was reminded just how dangerous the NFL can be when one of his backups was carted off the field in the second quarter.Jake Locker went 3 for 5 for 31 yards and led the Titans (13) to a field goal on the opening drive of a 2423 loss to the Minnesota Vikings on Thursday night.Hoping to avoid a spot on the practice squad, Rusty Smith completed 13 of 21 passes for 178 yards with one touchdown and one interception. Backup quarterback Ryan Fitzpatrick was 5 for 5 for 61 yards and a touchdown.Marcus Sherels returned a kick 109 yards for a touchdown and intercepted a pass in a lastditch effort to make the team for the Vikings, who lost offensive lineman Seth Olsen to a scary neck injury.Olsen was taken off the field on a stretcher after linebacker Scott Solomon knee collided with Olsen helmet. He received a sta