JAMES C. PUHALLA is experienced in the sports field industry, specializing in the design, construction, renovation, and maintenance of sports fields and athletic facilities. JEFFREY V. KRANS, PhD., is a former Professor of Agronomy at Mississippi State University, is a turfgrass breeding and physiology specialist. J. MICHAEL GOATLEY, JR. PhD., is a Professor and Extension Turfgrass Specialist with years of research and teaching experience in sports turf management at Mississippi State University and Virginia Tech.