Overview

• Mattison suffered a neck injury on a 21-yard catch in the preseason opener, was taken by ambulance to a Chicago hospital and underwent immediate surgery.
• Miami placed Mattison on injured reserve after doctors confirmed he has full strength and motion and is expected to make a full recovery.
• Former Steelers back Aaron Shampklin and veteran Mike Boone have been signed to inject power into short-yardage situations.
• The Dolphins hosted a workout for free agent Jamaal Williams as they continue to explore additional short-yardage options.
• De’Von Achane will lead the backfield while Jaylen Wright and rookie Ollie Gordon II take on expanded roles in third-down and goal-line packages.