Tennessee tailback Bryce Brown is facing an eligibility issue as the NCAA investigates his amateur status as a high school player, head coach Lane Kiffin said after practice Tuesday.At question is money raised for Brown and other players to attend football camps while in high school. Kiffin said Brown is currently eligible, but is uncertain if Brown will be eligible for the season-opener Sept. 5 against Western Kentucky.Tennessee’s recruitment of Brown is not thought to be part of the investigation.Brown was back in full pads at practice Tuesday but did not participate after leaving Monday’s practice with a hip injury. Kiffin said an MRI was negative.More details online as they become available and in Wednesday’s News Sentinel.