Manchester United’s victory over Chelsea last weekend threw the title race wide open.

David Sumpter, the man behind Soccermatics, has looked at how José Mourinho’s deployment of Ander Herrera helped the Red Devils to victory.

In our Science of Football feature, you can see how Eden Hazard is undoubtedly the force behind Chelsea’s title push this season.

But with Herrera on a mission to stop Hazard, we look at the location of the Spaniard’s tackles, interceptions and ball touches and compare the Belgian’s attack map from the games between United and Bournemouth to see how he lost his effectiveness at the weekend.

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