Sharp took a few deep breaths and sent the excellent Darlow the wrong way.
United trail their traditional rivals on goal difference with both teams on 33 points from 16 matches.
The result lifted Chelsea to fifth on 25 points from 14 games.
Mendy has the best record of any Premier League or Champions League goalkeeper this season.
Manchester City provisionally move back into the top four on the league table with the win.
Guardiola, 49, arrived at Man City in 2016, elevating the club to a major contender in the English Premier League.
Tottenham’s third successive league win took them top with 17 points from eight games.
Bruno Fernandes scored twice and Edinson Cavani grabbed his first for the club. The Reds secured a 3:1 victory at Everton.
There have been more than a million COVID-19 infections and over 46,000 deaths in the UK.
The 25 percent of remaining Premier League and Football League revenue would go to EFL clubs.
