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San Francisco 49ers wide receiver Michael Crabtree voluntarily met with police in their investigation into an alleged sexual assault in a hotel after the team's playoff victory over the Green Bay Packers last weekend, his attorney said Saturday.

"Michael fully cooperated with the inspectors and will continue to do so throughout this investigation," the attorney, Joshua Bentley, said in a brief statement emailed to The Associated Press.

The statement comes after police said they were investigating a sexual assault allegation involving Crabtree in a San Francisco hotel early Sunday. Crabtree hasn't been detained or arrested, and has agreed to be available for more questions in the future, police said.

The probe is being handled by the department's special victims unit. When the investigation is done, the findings will be forwarded to the district attorney's office, which decides if charges should be filed, police said.

San Francisco is preparing to play the Atlanta Falcons in the NFC championship game on Sunday. The winner goes to the Super Bowl. The 49ers said Crabtree made the trip to Atlanta.

He had a career-best 1,105 yards receiving this season.

Around the league

Raiders • Oakland hired former Jacksonville quarterbacks coach Greg Olson as its new offensive coordinator, a person familiar with the decision confirmed. Olson previously served as offensive coordinator with Detroit, St. Louis and Tampa Bay.

Jaguars • New coach Gus Bradley hired Miami Hurricanes offensive coordinator Jedd Fisch to the same position in Jacksonville. The Jaguars ranked 29th in the league in total offense this season. Fisch spent the last two years as Miami's play-caller and quarterbacks coach, and his pro-style offense was consistently one of the most efficient in the country.