Mississippi State blew a 17 - 0 halftime lead on Saturday .
A late Westin Graves field goal for the win was no good as South Alabama upset the Mississippi State 21 - 20 .
Mississippi State blew a 17 - 0 halftime lead on Saturday and a late Westin Graves field goal for the win was no good as South Alabama upset the Bulldogs 21 - 20 .