Heat closed contact grill 5 minutes.
When grill is heated, lightly spray with cooking spray. Place pork chops on bottom grill surface; close grill. Cook 3 minutes.
Top each chop with 1/2 tablespoon pesto and sprinkle with bread crumbs; close grill. Cook 2 to 3 minutes longer or until chops are no longer pink and meat thermometer inserted in center reads 160°F. Place chops on serving plates; top each with 1/2 tablespoon remaining pesto.