Taped on the wall above Kyle Guy’s bed is a reminder of defeat. In the photo, snapped last March, Guy is deflated, hunched and with tears welling in his eyes. In the background, UMBC’s players are joyous. They are hugging and screaming. Two players are preparing to chest bump, meeting for mid-air ecstasy, after the Retrievers became the first No. 16 seed in men’s NCAA Tournament history to knock off a No. 1 seed.The photo captures the magic of the NCAA Tournament in a frame. The underdog knocking off the top dog. The unrealistic made real. For Virginia, however, the photo came to define failur...