Bolton Wanderers have taken up the option of a third year on the scholarships of Luca Connell, Ronan Darcy, Jordan Boon and Eddie Brown.
Connell and Darcy made their respective first team debuts during the course of the 2018/19 campaign, with the pair having been on the books of the club since the age of eight.
Boon and Brown meanwhile have been key figures for the club’s Under-23 and Under-18 sides in recent seasons.