Ashton Rinaldo, who made his senior debut in the Bristol Street Motors Trophy tie against Manchester City U21 last week, is the latest player to progress from the academy to the first-team squad.
He joins Liam Jessop and Ali Mohiuddin, who both penned professional contracts earlier this summer.
Academy manager Neil Cluxton said: “I am delighted for the three lads who have progressed from the academy to the first-team squad.