Alexander Mattison is exceeding expectations at the Miami Dolphins training camp. Mattison's performance is challenging the preconceived notion of his role as a short-distance back. The Dolphins' running back roster decisions are becoming more complex due to Mattison's strong showing.

— QB Quinn Ewers started practice Friday by tossing a few footballs with fans in attendance and getting them to throw them back into a net on the practice field. He was flanked by newly returning QB Brett Gabbert in this effort. The Dolphins have rookies hype up the crowd to start practices open to fans.

The Miami Dolphins re-signed rookie quarterback Brett Gabbert on Friday after a roster spot opened up due to Kader Kohou's injury. Kohou suffered a season-ending knee injury in a training camp practice and landed on the Dolphins' injured reserve Friday morning.

Dolphins head coach Mike McDaniel said earlier this week that cornerback Kader Kohou will miss the entire season with a knee injury and the team made a roster move reflecting that turn of events on Friday.

The Miami Dolphins made a truly shocking roster move after placing star cornerback Kader Kadou on injured reserve.