I don't think anyone in the SEC is good enough to blow out another one of the quality SEC teams by a margin large enough to sway that.
The only one I can think of would be Texas over Tennessee and not even sure that matchup is possible.
The only SEC team with a clear path to the SECCG that I could see that would possibly get left out losing as the runner up is A&M. That is only because they got boat raced by South Carolina, South Carolina could lose to Clemson next week, and then A&M's best win is quickly fading with LSU struggling. Plus, if they beat Texas, the questions on Texas beating nobody would surface.