The midfielder returns to recover from an injury suffered in November and United say he will be added to manager Ruben Amorim's squad for the second-half of the season.
Advertisement
Advertisement
The 21-year-old made 12 appearances for Ryan Mason’s WBA and registered one assist.
An injury in his last match, against Birmingham City has kept him sidelined.
Collyer now returns to United to focus on his recovery and is set to be registered with United's squad for the remainder of the season.