the whole reason why they gave kolb all that dough was because he was coming off his rookie deal that yr, having only played a couple of games while on it
they basically signed him on some mid tier free agent shit without really having a body of work to go off of
if they dump mcnabb a yr earlier they get that extra time to evaluate kolb without having to make a commitment
the cards somehow compounded that idiocy by giving dude a healthy ass deal with even less information , at least the eagles saw him in practice on the reg