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.

Training camps have kicked off around the NFL, and our team reporters are on the ground each day following all the action. The Miami Dolphins' camp is taking place in Miami Gardens, Florida, and Dolphins reporter Marcel Louis-Jacques has the latest intel on standouts,