The Tigers nearly upset the reigning national champions and the nation’s top-ranked team, but cost themselves a shot at victory with a few key mistakes. What if…? Those are the types of questions Mizzou fans are asking themselves after back-to-back losses slipped away in the closing minutes against the Auburn Tigers (3-2) and No. 1 Georgia Bulldogs (5-0), respectively. Instead of entering a week five showdown against the Florida Gators at 4-1, the Tigers (2-3) are facing a potential must-win in Gainesville with their bowl aspirations in mind. One year after its defense took the brunt of the criticism, there…