Who Should I Start? Alexander Mattison or K.J. Osborn

Thursday, March 13, 9:35 PM

Former Las Vegas Raiders running back Alexander Mattison is signing an undisclosed deal on Thursday with the Miami Dolphins, sources told FOX Sports' Jordan Schultz. Earlier in the day, former Dolphins RB Raheem Mostert signed with the Raiders in free agency. The 26-year-old Mattison joined the Raiders in 2024 after spending his first five years in the NFL with the Minnesota Vikings. He eventually took over the lead-back role from a disappointing Zamir White and carried the ball 132 times for 420 yards and four touchdowns (a career-low 3.2 yards per tote) in 14 games (seven starts), adding a career-high 36 catches for 294 yards and another score. Mattison's move to Miami is a big downgrade, as he'll merely be competing for a change-of-pace role with Jaylen Wright behind unquestioned starter De'Von Achane. He'll be avoidable in most fantasy drafts this fall.

Thursday, March 13, 2:55 PM

The Washington Commanders are re-signing veteran wide receiver K.J. Osborn, according to team reporter John Keim. The 27-year-old was claimed off waivers by Washington in November following his release by the New England Patriots and appeared in one game for the Commanders. The 2020 fifth-round pick out of Miami by the Minnesota Vikings has collected 165 receptions for 1,902 yards and 16 touchdowns in 66 career games. Washington also re-signed wideout Noah Brown and traded for Pro Bowler Deebo Samuel Sr. this offseason, so it's tough to expect Osborn to have any fantasy value in 2025.