The Miami Dolphins lost one of their running backs for the 2025 season. Alexander Mattison underwent season-ending neck surgery in Chicago after his injury during Miami's preseason matchup against the Chicago Bears , a ccording to ESPN .

Mattison suffered an injury after he landed on his head during a 21-yard reception early in the fourth quarter. An ambulance took him to a local hospital, where he underwent surgery. Mattison rushed three times for eight yards and one touchdown before the injury.

The former third-round pick of the Minnesota Vikings signed a one-year deal with the Dolphins this offseason and projected to be their primary power back to complement the speed of De'Von Achane and Jaylen Wright . Mattison spent last season with the Las Vegas Raiders , and ru

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