FILE - In this Sept. 17, 2017, file photo, Los Angeles Chargers running back Branden Oliver runs with the ball during the first half of the team's NFL football game against the Miami Dolphins in Carson, Calif. Oliver hasn't ruled out attempting a career comeback three years after various injuries derailed his NFL career. "I haven't fully retired yet. So I'm still waiting on the call," said Oliver, who spent four seasons with the San Diego-then-Los Angeles Chargers after completing his college career in Buffalo where he set the school record with 4,049 yards rushing. "And just watching him (Jaret Patterson) play has been motivating." (AP Photo/Mark J. Terrill. File)

FILE - In this Nov. 17, 2020, file photo, Buffalo running back Jaret Patterson, left, carries the ball while Bowling Green linebacker Darren Anders (37) and defensive lineman Ja'von Lyons (56) close in during the first half of an NCAA college football game in Bowling Green, Ohio. Buffalo is scheduled to play at home against Akron this week. (Scott W. Grau/Sentinel-Tribune via AP, File)