San Francisco 49ers running back Christian McCaffrey is now questionable to play and that means it's time to grab backup running back Brian Robinson Jr. off waivers.

Christian McCaffrey and Saquon Barkley lead UPI senior sports writer Alex Butler's Top-50 fantasy football running back rankings for Week 15.

The Baltimore Ravens offense has been far from explosive since Lamar Jackson came back from injury, and there was not a matchup more revealing than Baltimore's first matchup against the Cincinnati Bengals on Nov. 27. However, Derrick Henry was perhaps the only functional piece of the offense, earning 60 yards and a touchdown on ten carries.

The Carolina Panthers expect to have Christian McCaffrey back in the starting lineup this week against the Denver Broncos. McCaffrey has not played since Week 9 and has only been able to suit up for three games this season. The All-Pro running back was a ...