Manchester United v Manchester City – Five Key Battles From Colossal Derby Clash

2) Marcos Rojo v Sergio Aguero

The two Argentinians face off with Aguero in red-hot form and Rojo struggling, retaining his place seemingly only through a lack of other options.

In a one-on-one battle there will be only one winner, so United need to ensure they defend as a unit to prevent the striker isolating either of their centre-backs.