Lions defensive tackle Shaun Rogers is being investigated in an alleged sex crime involving a woman at a strip club, the Detroit Free Press reported on its web site Monday. According to the report, the incident occurred early Friday morning at a club on the city's west side. The newspaper also reported that a spokeswoman for the Wayne County Prosecutor's Office said her office received a request for an arrest warrant from Detroit police. The warrant accuses Rogers of criminal sexual conduct. No charges have been filed.