With the Swiss side rusty , his role was mainly a defensive brief in the 1 - 1 draw with FC Porto -- .
It was also Frei 's intelligent through ball that released Derlis Gonzalez for the opening goal .
With the Swiss side rusty , his role was mainly a defensive brief in the 1 - 1 draw with FC Porto -- yet it was also Frei 's intelligent through ball that released Derlis Gonzalez for the opening goal .