Matt's running back (RB) fantasy football start 'em, sit 'em picks for Week 4 of 2025. His RB lineups advice for Week 4 fantasy football start/sit decisions.

It's hard to believe we are already entering Week 4 of the NFL season. In just three months, we will be discussing which players to start for our fantasy playoffs, but let's not get too far ahead of ourselves. You can't win it if you aren't in it.

Last week, the big names at the running back position weren't fooling around. Christian McCaffrey dropped 24 fantasy points, Jonathan Taylor scored an impressive 32.8 fantasy points, and all James Cook does is score touchdowns, earning himself a 20.8 fantasy point performance.

Here are the RotoBaller's must-start and sit options for Week 4 at the running back position. Be sure to

See Full Page