‘NFL receiving great Keenan McCardell took over as wide receivers coach at Maryland right before Diggs’ final season in College Park in 2014. McCardell brought credentials with him. He played 16 seasons in the NFL split between Cleveland, Jacksonville, Tampa Bay, San Diego and Washington, and retired in 2007. He ranks 35th all time in receiving yards (11,373) and 23rd all time in receptions (883).’