remydat said:
As for Williams comments, I think the point he was making is that a black QB that hasn't been drafted as the eventual starter (rules out guys like Mahommes and Jackson who are first round picks) are less likely to become back-up QBs and develop. I think anecdotally there is some truth to that because
in a lot of cases, that black QB is athletic enough to play another position so more than likely if the coaching staff isn't immediately convinced the dude is a QB, they are likely to ask him to change positions to get that athleticism on the field. Often times then, it is left to the black QB to decide how hard he wants to push being a QB and perhaps risk being accused of not being a team player vs taking one for the time and trying to help the team immediately.
Not sure it is a racial thing so much as it is an athleticism thing. It just so happens that black QBs are more athletic on average than their white counterparts so likely asked to move more often than a white QB. Although we saw this with Tebow where some thought he fit better at FB or TE.