California State Northridge and University of Wisconsin La Crosse researchers commented that an adapted version of the 505-drill (A505) could be used as an alternate, and potentially more specific COD assessment - in place of the pro-agility shuttle or 3-cone drill.
http://www.nola.com/sports/index.ssf/2017/02/optimum_performance_nfl_combin.html
New Orleans Times-Picayune
Clip Category
Northridge