Say TAMU,Bama, and AU all end with one loss to each other in a round robin. Seems the tie braker becomes the last one -- record of non-divisional opponents (Best cumulative Conference winning percentage of non-divisional opponents). http://www.secsports.com/article/11145479/sec-divisional-tie-breaker
Bama had UT and UK. TAMU had SC and UT.AU has UGA and Vandy. UK has beaten both SC and Vandy and that is a big plus for us, So, get by LSU, we should be good,