Mourinho replaced Ashley Cole with Eto'o nine minutes before the break -- .
Mourinho must have been ruing that decision soon after when the Cameroon striker upended Costa and referee Nicola Rizzoli awarded a penalty .
Mourinho replaced Ashley Cole with Eto'o nine minutes before the break -- and he must have been ruing that decision soon after when the Cameroon striker upended Costa and referee Nicola Rizzoli awarded a penalty .