Full Breakdown
Dolphins Re-Sign QB Mark Gronowski and Sign LB Cam Riley
8/16/2026, 11:51:12 PM
Core Transaction
The Miami Dolphins announced that quarterback Mark Gronowski has re-signed with the team and that inside linebacker Cam Riley has been added to the roster. The moves were made alongside two roster adjustments: guard/tackle Jamaree Salyer was placed on injured reserve, and cornerback Ethan Robinson was waived with an injury designation.
Player Backgrounds
Mark Gronowski entered the NFL as an undrafted free agent on May 8, 2026, after completing a collegiate career that began at South Dakota State (2020-2024) and concluded with a graduate-transfer season at Iowa in 2025. He started 67 of 68 college games, earned 2023 AP FCS first-team All-America honors, won the 2023 Walter Payton Award, and was a two-time Missouri Valley Football Conference Offensive Player of the Year.
Cam Riley also joined the league as an undrafted free agent in 2025, initially with New England before spending part of the 2025 season on Tennessee’s practice squad. He finished his college tenure at Florida State in 2024 after four seasons at Auburn (2020-2023).
Roster Adjustments
The Dolphins placed offensive lineman Jamaree Salyer on injured reserve, removing him from the active roster. Cornerback Ethan Robinson, who appeared in two games for Miami in 2025, was waived with an injury designation, making him available to other teams after clearing waivers.
Data & Statistics
- Gronowski’s college passing: 921 completions on 1,450 attempts (63.5 %); 12,049 yards, 103 touchdowns, 27 interceptions.
- Rushing: 515 attempts for 2,312 yards (4.5 avg.) and 53 touchdowns.
- Riley recorded 167 total tackles (94 solo), 3.0 sacks, 11.5 tackles for loss, three passes defensed, and one forced fumble over 60 collegiate games with 12 starts.
Official Team Communication
In its statement, the Dolphins confirmed the re-signing of Gronowski and the signing of Riley, noting the concurrent placement of Salyer on injured reserve and the waiver of Robinson. The announcement emphasized the additions as part of ongoing roster management ahead of the upcoming season.
