Manchester United players celebrate Marcus Rashford's opener
Manchester United produced a fine display to put a dent in Chelsea's hopes of winning the title.
Marcus Rashford opened the scoring in the seventh minute after Ander Herrera's pinpoint pass.
And Herrera himself added a second just four minutes into the second half via a deflected strike.
Manchester United player ratings against Chelsea Sun, April 16, 2017
Express Sport rates how the Manchester United players performed during their win over Chelsea at Old Trafford
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Which Manchester United players impressed during their win over Chelsea?
With Chelsea gunning for the title, few expected the Blues to lose at Old Trafford.
And Souness reckons United's defensive performances earned them all three points.
Manchester United players mob Ander Herrera after his goal
"They nullified Chelsea and I can't think of De Gea making one save," Souness told Sky Sports.
"They've done a lot right. If you're a United supporter of a certain age you want them to be on the front foot more, but it was a very effective display."
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