Dolphins Re-Sign QB Gronowski, Add LB Riley

Quarterback Mark Gronowski returns to the Dolphins after being waived just over a week ago. The undrafted player played four seasons at South Dakota State before transferring to Iowa last year, starting 67 games during his college career. macnevers-and-co.beer

The Dolphins also signed linebacker Cam Riley, who was undrafted out of Florida State last year. Riley previously spent time with the Patriots and Titans but didn't see regular season action. Additionally, Miami placed offensive lineman Jamaree Salyer on injured reserve and waived cornerback Ethan Robinson with an injury designation.