NASHVILLE, Tenn. (AP) -Tennessee All-Pro placekicker Rob Bironas strained a groin muscle Monday during a special teams drill.
Defensive end Ulrich Winkler of Germany hurt his left knee and had to be helped off the field, as well.
Bironas said he felt a little pull as he was kicking off, and trainers chose to be cautious and check out the injury. Backup punter Josh Miller also pulled a groin muscle, forcing the Titans to use third-string quarterback Ingle Martin to kick a few punts during the afternoon session.
Winkler, who was on the Titans' practice squad last year as an NFL Europa exemption, was pass rushing against Leroy Harris when his left leg buckled, and he yelled out. The native of Munich stayed on the ground for a few minutes before limping into the locker room with assistance.
Coach Jeff Fisher said he had no immediate information on the severity of Winkler's injury.

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