Mario Mandzukic helped to break the deadlock in the 52nd as his header from Juan Cuadrado 's cross was finger - tipped onto the underside of the bar by Lukasz Skorupski but bounced down and over the line .
Mario Mandzukic wasted opportunities in the first half .
Mario Mandzukic , who wasted opportunities in the first half , helped to break the deadlock in the 52nd as his header from Juan Cuadrado 's cross was finger - tipped onto the underside of the bar by Lukasz Skorupski but bounced down and over the line .