In my opinion HOYD is a useless addition to FM. In my 15 season spell at Seville with all the top coaches and staff and facilities the only players that developed where foreigner's i bought when they were 15. From within the club only a handful reached the first team and just to add depth. Also, the players all the HOYDs i have tried buy, are a waste of money to say the least so i cancel those transfers more often than not. Furthermore, it seems completely random what regens i will get. With extended youth network and scouting knowledge and most years i get the "no player stands out".