The No. 32 has been put back in circulation by the Buffalo Bills for the first time since 1977, the last season O.J. Simpson wore the number.
Running back Senorise Perry, who signed with the Bills as a free agent, is wearing the number during the team's organized team activities. He told The Athletic that he thought the number was retired.
"I thought it was retired, but then I was told it was available. Boom, I took it," he told The Athletic.
"I know the situation. I know that greatness comes with that number, playing in Buffalo.