Cambridge United have made two signings in the past 48 hours, taking the tally of summer arrivals to 11. But while attacking midfielder Josh Stokes and left wing-back Emmanuel Longelo are both exciting additions that will provide some much needed competition in their respective positions, there still remains one glaring omission within the squad. Strikers Shayne Lavery and Ryan Loft joined the U’s relatively early during the window, but it was notable that when the club released its squad numbers earlier this month, the nine shirt remained vacant. It is a question that has been put to head coa…