Updated

The Southeastern Conference's six-year streak of national championships could be in jeopardy.

And the SEC has expansion to thank for making it happen.

No. 9 Texas A&M and Missouri are making their presence felt since the SEC invited them into the fold.

The Aggies (8-2, 5-2 SEC) rolled into Tuscaloosa and knocked off defending champion Alabama 29-24 and now the SEC is by no means a lock to get into the BCS title game. The Tigers (5-5, 2-5) have beaten Kentucky and Tennessee, adding to the coaching chaos at those schools.

Auburn coach Gene Chizik says SEC teams are not teach the newcomers "how to play football. They know how to play. I think that it's very obvious."