Brandon Williams a new contract due to his breakthrough season at Old Trafford.The 19-year-old academy graduate has enjoyed an important role in the squad under Ole Gunnar Solskjaer, challenging Luke Shaw for a starting berth.Williams' emergence has allowed the United boss to experiment with new formations, utilising Shaw as one of the three centre-backs with Williams pushing further forward at left wing-back.Despite not travelling on the squad's pre-season tour of Australia last summer, the