Hello guys!

Any idea why both my strikers from very good form,stared play very unefectable...they do not score like b4,performing kind of bad etc etc.Both was very good strikers, right now i dont know what to do, they are 19 and 21 years old .Should i sell them and try new ones or there is a chance that in next seson everything gonna be ok?Can be that both players dont like my curent formation?