Manuel Pellegrini and Luis Enrique will be going head to head in the last 16 on Tuesday…
Manchester City host Barcelona on Tuesday evening in the first leg of their Champions League last 16 tie.
Here are the key battles for the much anticipated match, with the return of a certain controversial former Liverpool man among those involved.
5) David Silva v Sergio Busquets
Busquets will be the man charged with stopping Citizens playmaker Silva. If the diminutive attacking midfielder is allowed to take control of the match it is unlikely that the Catalan club will be able to get anything from the Etihad.