There can be few things more frustrating in football than coming out second best against one particular rival time and time again.
That is a fate that has befallen numerous clubs over the years and few examples are more notable than Manchester United s struggles at the hands of Chelsea.
Despite both clubs occupying the upper echelons of the table and boasting sizeable playing budgets, there has been an emerging and growing imbalance in their head-to-head record.
The two meet again on Saturday as Jose Mourinho faces up to his former employers and here we take a look at some of the more one-sided rivalries of recent times, with the help of Opta data.
UNITED SUFFER CHELSEA BLUES
The all-time record may heavily favour United, who have w…