Who Should I Start? Ameer Abdullah or Alexander Mattison

Monday, August 11, 8:41 PM

The San Francisco 49ers have placed running back Ameer Abdullah (ribs) on season-ending injured reserve, according to ESPN's Adam Schefter. Abdullah, who just joined the 49ers as a free agent on July 31, suffered a rib injury in a preseason-opening 30-9 loss to the Denver Broncos this past Saturday. While the 32-year-old was unlikely to make much of an impact this season (if any), it's another hit to San Francisco's depth in the backfield. The team is already set to go multiple weeks without injured Christian McCaffrey backups Isaac Guerendo (shoulder) and Jordan James (finger). The 49ers brought back Jeff Wilson Jr. in free agency on Sunday in the wake of Abdullah's injury to provide some much-needed healthy depth behind McCaffrey.

Tuesday, August 12, 9:32 AM

Miami Dolphins running back Alexander Mattison (neck) was officially placed on injured reserve on Monday. Mattison injured his neck during a preseason game against the Chicago Bears on Sunday and later went for surgery. It was announced on Monday that he would miss the remainder of the year, with the team placing him on IR just as a procedural move to clear roster space. Mattison's absence will open up reps for second-year running back Jaylen Wright and rookie Ollie Gordon II behind starter De'Von Achane.