MU failed to displace Manchester City at the top after being defeated by Sheffield United 1-2.
Both teams continue to maintain their position at the top of the English Premier League standings.
After Guardiola, Klopp is the coach who has beaten Mourinho the most.
Manchester United (MU) failed to displace Manchester City at the top.
This is the first time Sheffield has managed to beat MU at Old Trafford.