You have not got the concept at all. The concept is for an experienced player to play in the B team. All the players you listed retired ages ago.
Chris Perry is 48 years old and last played a professional game 11 years ago! Perry and the others you suggested would not be capable of playing at PL2 standard in 2021.
Although Lancashire has been a League 1 and League 2 player throughout his career, he is still capable of playing at the standard of the academy teams.