From the video

Video: Ranking Every Week 1 Running Back as a Sit or Start
Dave Montgomery is very good at this, very good at early downs, can be the thumper, can be the goal line guy... Woody Mars is a pass catching specialist. Those are probably going to be the roles here.
Mentioned at 22:02 – 24:14Captured by STACKED 6 hr after posting

STACKED’s take

NeutralRole

Early-down and goal-line role in a split backfield

David Montgomery is expected to serve as the early-down thumper and goal-line back for Houston, though the source warns against expecting a 90% bellcow workload, projecting a split role with Woody Marks.

David Montgomery headshotDavid MontgomeryRB · HOUPlayer page — value, ADP, projections, and every insight