From the episode

when they have to bring in the rookie, to make sure that Kenneth Walker stays healthy, which has been, you know, an issue for him. Again, we want to limit the tread wear off his tires.

STACKED’s take

NeutralInjury

Chiefs managing Walker's workload due to past injury concerns.

Walker has had health issues in the past, and the Chiefs are being proactive about managing his workload and 'tread wear' to keep him healthy, which is why they're comfortable splitting carries between him and their rookie backup.

Kenneth Walker III headshotKenneth Walker IIIRB · KCPlayer page — value, ADP, projections, and every insight