In inspiring a comeback at Tottenham, Edinson Cavani showed what Man United have been missing from a striker and why, even at 34, the club should do as much as they can to keep him.
Alexandre Lacazette scored twice and Gabriel Martinelli also netted as Arsenal boosted their hope of European qualification against relegation-threatened Sheffield United.
Jose Mourinho faces his old club with Tottenham kicking off in seventh place, five points outside the top four, while United are second. When the clubs met earlier this season, Spurs won 6-1.