Patrick Vieira thinks Roy Keane will relish the challenge of becoming Sunderland manager for the second time in his career.
The Black Cats pulled the trigger on Lee Johnson after a 6-0 drubbing by Bolton last weekend - a result that leaves them four points off the automatic promotion places despite playing three games more than second-placed Wigan.
A play-off place looks likely but that was not deemed enough to keep Johnson in a job as new owner Kyril Louis-Dreyfus quickly pulled the trigger after the embarrassing defeat.
