The Cardinals have signed third-round pick Garrett Williams, the team announced Thursday. His signing leaves second-rounder B.J. Ojulari as the lone unsigned pick. Offensive tackle Paris Johnson Jr. (first round), receiver Michael Wilson (third round), offensive guard Jon Gaines (fourth round), quarterback Clayton Tune (fifth round), linebacker Owen Pappoe (fifth round), cornerback Kei’Trel Clark (sixth [more]