United had been made to paintings exhausting for all 3 issues at St Mary’s the day past with Romelu Lukaku’s objective the one distinction between the 2 facets.
Southampton piled at the power in the second one part and appeared with regards to scoring an equaliser.
But United stood company to clinch their 5th blank sheet in the league this season.
Mourinho has made a occupation out of ultimate out difficult-to-beat groups with a inflexible defensive are living and he wanted his ahead gamers to shield from the entrance in order to maintain their defensive file.
And the United boss was extremely joyful with the way in which that Rashford tracked again.
“Marcus was phenomenal, he was phenomenal,” Mourinho instructed Sky Sports.
“Cedric [Soares] is an excellent offensive complete again, and [James] Ward-Prowse is a great crosser of the ball, so it was a excellent aspect.
“Marcus felt what everyone else felt in the workforce, if we do not concede we win 3 issues, so let’s combat exhausting to not concede.
“It’s no longer at all times imaginable to have prime quality, however we fought exhausting. We fought exhausting. We did for 20 to 25 mins what many groups in the Premier League do for 90 mins, which is play with 5 on the again and shield with a low block.
“But credit score to Southampton, they performed, attempted to play, they at all times take a look at, Pellegrino despatched a 2d striker in to play extra direct to play extra competitive.
“It was a troublesome recreation, and we fought in point of fact exhausting, and I am in point of fact satisfied.”