18. Florida Gulf Coast vs. Georgetown (2013)
Florida Gulf Coast was the No. 15 seed coming into the 2013 NCAA tournament. But they showed that they weren’t there just to make up the numbers. Coach Andy Enfield developed an organized system that maximized his player’s potential. This culminated in a glorious victory over the mighty Georgetown Hoyas.

They weren’t finished creating upsets because they overcame San Diego State in the next round. FGCU won the hearts of the watching fans with its fearless and energetic style (via Bleacher Report). Meanwhile, Enfield’s coaching process earned him national acclaim and the USC job.