The Tampa Bay Buccaneers signed Mabin as an undrafted free agent out of Iowa on May 1, 2017. He spent time with the Buffalo Bills before being signed to the 49ers practice squad on October 18, 2017.
The 49ers promoted Mabin to the active roster on November 1, 2017. He appeared in six games this season with one start and recorded 10 tackles and a forced fumble. San Francisco waived Mabin on October 30 and then signed him to the practice squad on November 1.
The 49ers initially signed McFadden as an undrafted free agent out of Florida State on May 1, and he remained on the roster until September 1. The Indianapolis Colts signed McFadden to their practice squad on September 11 and then waived him 14 days later.
McFadden was part of a team workout on Wednesday that included 13 other players.
Related News
More San Francisco 49ers News
-
49ers re-sign kicker Eddy Piñeiro to multi-year deal
According to Adam Schefter of ESPN, the San Francisco 49ers have re-signed kicker Eddy Piñeiro, who was scheduled to become an unrestricted free agent, to a four-year, $17 million deal with $10 million guaranteed. "Pineiro is now off the market and will not become a... -
49ers sign TE Jake Tonges ahead of restricted free agent tender deadline
According to multiple reports, the San Francisco 49ers have signed tight end Jake Tonges to a two-year, $8 million contract, including $5.5 million guaranteed. The deal comes just ahead of the restricted free agent tender deadline, securing the 49ers' depth at tight end for the... -
49ers re-sign RB Patrick Taylor ahead of free agency
According to sports agency Equity Sports, the San Francisco 49ers have signed Patrick Taylor to a contract extension just hours before the running back was slated to become an unrestricted free agent. Congratulations @PatrickTaylorJr on signing an extension with the @49ers... -
Report: 49ers in play for Maxx Crosby; Mac Jones trade market cools
The 2026 NFL Scouting Combine has concluded, but speculation surrounding Las Vegas Raiders defensive end Maxx Crosby continues to build. According to Matt Barrows and Vic Tafur of The Athletic, the San Francisco 49ers are among several teams monitoring the veteran pass rusher's...