They beat Warrington 13 - 11 in 1937 .
Edwards scored the winning try in 1939 when Salford beat Castleford 8 - 6 at Maine Road Manchester .
They beat Warrington 13 - 11 in 1937 and Edwards scored the winning try in 1939 when Salford beat Castleford 8 - 6 at Maine Road Manchester .