“Teachers are the backbone of our society.” Join four-time Super Bowl champion “Mean” Joe Greene and the CFP Foundation in celebrating great teachers. #ItOnlyTakesOne #CFBPlayoff @CFPExtraYard #CFPExtraYard #ExtraYardWeek @MeanGreenFB @MeanGreenSports @UNTSocial @Steelers t.co/pRg3Se8FRK