The Spanish striker was adjudged to have gone to ground too easily under challenge from the Northern Ireland international, a decision which took the hosts down to just nine men following Branislav Ivanovic's earlier dismissal. The Blues went on to lose the match 3-2.
Speaking to Sky Sports after the game, the 24-year-old declared that the right decision was made, insisting: "At the time I didn't feel like I'd made contact but I've seen it again and there was a bit of contact.
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Evans was delighted to come away with victory from the top-of-the-table clash at Stamford Bridge, particularly after seeing his side's early two-goal lead cancelled out by strikes from Juan Mata and Ramires.
"Chelsea really came at us and put the pressure on us and it was tough," the Belfast-born centre-back continued.
"We were probably lucky to see it out 2-1 at half-time. You've got to show character in games like this.
"We came out for the second half and you've got to stand up coming here to Stamford Bridge. It's a tough game, we knew we were going to be under pressure and they got the equaliser and the sendings-off in between that but we managed to finish it off in the end."
The Red Devils' victory closes the gap on the Blues to just one point in the Premier League table, with Arsenal the next opponents for Sir Alex Ferguson's side.