Shortly before Mike Krzyzewski began his storied coaching career at Duke, a recent college graduate looking for a teaching job reluctantly agreed to coach field hockey at a public high school in Pennsylvania. She didn't feel qualified. She'd played field hockey in high school, but basketball had been her primary sport. By 2015 Sue Butz-Stavin had become the winningest field hockey coach in the country without the benefit of the athletic scholarships, fancy locker rooms and lavish equipment budgets that many college programs boast. How did she do it?Coaches, players and fans in all sports can learn a lot by following Butz-Stavin and her Emmaus Hornets through their most challenging season yet.