There's no way around it. You may recall a few years ago when there was a 3 way tie in the Big 12 south. They had to use tie breaker procedures to determine who would go to tha championship game.
Here is a link to the SEC's tie breaker procedures:SEC Divisional Tie-Breaker:
http://www.secsports.com/article/11145479/sec-divisional-tie-breaker