Malcolm Butler retired from the Cardinals prior to last season. Nobody is sure why but here's what we know after he signed with the Patriots.

The Arizona Cardinals can replace CB Malcolm Butler with a free agent from the New England Patriots.

The move allows the Cardinals to remove Butler from the 53-man active roster while still controlling his rights in the event he wants to return.

The Cardinals have placed Malcolm Butler on the reserve/retired list a day after news surfaced the veteran cornerback was contemplating retirement.

Malcolm Butler is more than seven years removed from the biggest play he's ever made in a football game, and it happened at State Farm Stadium.

The Cardinals might suddenly find themselves shorthanded at cornerback, if Malcolm Butler decides to leave the game for a personal matter.

Cardinals new cornerback Malcolm Butler knows what goes into winning a Super Bowl championship and he's ready to help make it happen in Arizona.

On Thursday, the Cardinals announced that they have agreed to a contract with veteran cornerback Malcolm Butler.

The Cardinals continue to add. This time, they're getting a former Super Bowl hero. CB Malcolm Butler has agreed to terms with Arizona on a one-year deal, the team announced.

On Thursday, the Patriots released Butler off of injured reserve, according to the NFL transaction wire. This means that he is now a free agent and able to sign with a new club immediately.

New England Patriots cornerback Malcolm Butler's season is over, as the team placed him on injured reserve Tuesday. It's unclear what kind of injury Butler is dealing with, but his comeback bid ...