A trade to the Raiders, in which Pittsburgh received multiple draft picks from Oakland, was fraught from the beginning of training camp, with multiple issues keeping Brown off the field. His release from that team came before a lawsuit containing sexual assault accusations was made public.

While the Raiders canceled nearly $30 million in guarantees to Brown as a result of his erratic off-season behavior and failure to meet certain benchmarks, it is not yet clear if the Patriots, who signed him just before the suit with the rape accusation was filed, will pay him the $9 million guaranteed in that contract.

Brown’s agent, Drew Rosenhaus, posted a message to Twitter on Friday saying that his client was still seeking employment in the N.F.L., but it was not clear if he would be allowed to suit up for another team. Upon Brown’s release from New England, the N.F.L. issued a statement clarifying that the player is not on the commissioner’s exempt list, as such a move is unnecessary while he is not on a roster. But the statement did not rule out such a move in the future.

“If he is signed by a club, such placement may become appropriate at any time depending on the status of the investigation,” the statement read. “Upon the conclusion of the investigation, he may also be subject to discipline if the investigation finds that he has violated the law or league policies.”