Nestled in a leather chair in his office, Kyle Flood donned sweatpants and a red pullover, a life-sized replica of a knight positioned by his side. The Rutgers football coach had just finished overseeing the Scarlet Knights' final practice before their April 27 spring game. Flood leaned forward a few inches; he was ready to talk about teaching. Not teaching football, however. Flood wanted to talk about teaching in a classroom setting, the kind that has more to do with parabolas and graphs than X's and O's.