The San Francisco 49ers on Tuesday announced how they’d replace running back Christian McCaffrey. In a slew of roster moves the 49ers placed McCaffrey on IR, claimed RB Israel Abanikanda off waivers from the New York Jets and signed wide receiver Ronnie Bell to the practice squad.

The San Francisco 49ers placed running back Christian McCaffrey on injured reserve Tuesday a day after coach Kyle Shanahan indicated that both he and fellow running back Jordan Mason would go on IR after suffering injuries in the team’s Week 13 loss to the Buffalo Bills.

Christian McCaffrey is dealing with an injury again. The 49ers running back went down with a knee injury in the second quarter against the Bills.