Brown played for the Chippewas from 2007 to 2009 before Pittsburgh drafted him in 2010.
[Ads /]
In March, the Steelers traded the four-time Pro Bowl receiver to Oakland, which released him before he played in a game.
VIDEO: Antonio Brown's bizarre summer as a Raider summed up in 2 minutes
New England gave Brown another chance, but it did not last long; the team cut him last week after one game.
Days after the Patriots signed him, a former trainer filed a civil lawsuit in Florida accusing Brown of rape.
[Ads /]
RELATED: Antonio Brown's former trainer accuses him of rape
The team also learned he tried to intimidate a second woman who accused him of sexual misconduct. He denies the allegations.
The exiled Brown took to Twitter on Sunday, saying he will not be playing in the NFL anymore.
See more stories and videos about the about Antonio Brown.