Millwall have offered three academy players a professional contract at the club.
Sid Nelson, Keaton Wood and Ben Thompson, who have all featured regularly for the Lions' Under-18 and Under-21 teams this season, have impressed during their time at The New Den.
"It is obviously exciting for the three lads to take this next big step in their careers, but also exciting for myself and everyone connected with the academy to see another group of talented youngsters progressing at Millwall," academy director Scott Fitzgerald told the club's official website.
Fellow graduates Fred Onyedinma, Jack Powell and Denzel Gerrar have all featured for Millwall's first team this campaign.