They stuck D'haquille Williams into the last play to defend the Hail Mary pass. Problem is, they already had a player wearing the same number (#1) on the field. Should have been a five yard penalty and replay the down...
http://www.al.com/auburnfootball/index.ssf/2014/10/sec_officials_miss_potential_p.html
http://www.al.com/auburnfootball/index.ssf/2014/10/sec_officials_miss_potential_p.html