An alternative formation , if Guardiola does n't see an advantage in doubling up in wide positions to outnumber Chelsea 's wing - backs , could see Kolarov move inside to form a back three .
Zabaleta drop out to allow for an extra body in midfield .
An alternative formation , if Guardiola does n't see an advantage in doubling up in wide positions to outnumber Chelsea 's wing - backs , could see Kolarov move inside to form a back three and Zabaleta drop out to allow for an extra body in midfield .