Do your workmates or business associates not influence your future? Ive turned down opportunities and accepted others due to the culture and the colleagues.
Football is a bit different of course but when i was in teams i did choose who to play for based on who i would be playing with...
Just throwing it out there that this may influence his career path.
Whoever he plays with will not alter his career path, he will play for whichever team we accept a bid from.