Keith Cooper Jr. Stats & Bio | Dolphins Defensive End

About Keith Cooper Jr.

Keith Cooper Jr. brings size, athleticism, and relentless energy to the Miami Dolphins defensive line, wearing jersey number 64. Standing an imposing 6 feet 5 inches tall and weighing 280 pounds, the defensive end has the physical tools to make a lasting impact at the professional level. Born on March 30, 2003, Cooper Jr. is one of the younger players working to establish himself in a highly competitive league. He honed his skills at the University of Houston, where he developed the technique and football intelligence necessary to earn an opportunity at the NFL level. Now with Miami, Cooper Jr. has the chance to grow within a defensive system that demands versatility and relentless effort from its front line players. His journey is only just beginning.

Updated: Mar 23, 2026