i have 3 cm that have been getting booked left right an center but they are young should i wait and see if they carry on getting booked next season or sell when i get replacement, they will all be scout player`s too

1st is 18 yrs old 5 booking in 15 games

2nd is 20 yrs old 4 booking in 16 games

3rd is 21 yrs old 4 booking in 10 games