Following his signing for AZ , Alvarado remained a backup goalkeeper behind Joey Didulica and Sergio Romero .
The move was later confirmed when Alvarado signed a five - year contract with the club , keeping him until 2015 .
Following Alvarado 's signing for AZ , Alvarado remained a backup goalkeeper behind Joey Didulica and Sergio Romero .
The move was later confirmed when Alvarado signed a five - year contract with the club , keeping him until 2015 .