The Swedish striker scored a superb header and also converted from the penalty spot, as the Red Devils eased to a comfortable victory over the Saints at Old Trafford
Zlatan Ibrahimovic scored twice as Manchester United defeated Southampton 2-0 at Old Trafford on Friday.
Paul Pogba - who played the full 90 minutes - also impressed on his second debut for the club after completing his world record transfer move from Juventus and missing Sunday's 3-1 win at Bournemouth through suspension.