Neither Carter nor Knight is lead-back material, IMO. Izzy may be a decent stop-gap, but his NFL value is speculative. You don't bring in Aaron Rodgers to lead your team and hang your running game hopes on a 5th Rd. rookie. The Jets are all in on the 2023 season, so, from the team's perspective, it makes sense to add Dalvin Cook. Are there better options for Cook? Perhaps Miami offers a clearer path to a season-long RB1 gig, although the Dolphins also seem destined for some sort of platoon at RB. Tampa, on paper, looks like a good opportunity, but they just parted with another veteran back in Fournette. Buffalo already has Cook's baby brother, plus they brought in Harris. In New England, Rhamondre Stevenson is going to be the lead back, although the depth chart behind him is not established. For at least half a season, the Jets job is fairly secure for Cook. He would undoubtedly face some competition for carries from Carter, Knight, and Izzy, but clearly, Cook would be favored as the lead dog until Hall returns.