 Complete the following phrase:  Arsenal signed Forbes in March 1948 for a fee of 15,000. The move was encouraged by Forbes Scotland teammate Archie Macaulay, who subsequently lost his place in the Arsenal team to Forbes. Arsenal won the English league championship in 194748 and the FA Cup in 1950. Forbes played an important role in the latter victory, as Arsenal defeated Liverpool 20 in the final. Arsenal reached another FA Cup final in 