save PG, where KC's 100% timely recovery will make the difference between 25 and 30 wins. Aytes is very good, just not essential for this to be a very strong team.
But if you are correct about KC not being ready, which is not clear to me one way or the other at this point and won't be until he can go all out day after day, that would get in the way of a historic year.
I can tell you first hand that Collinsworth has not had any noticeable limp for a month and given his own public statements that he is ahead of schedule, i have cautious hope.