Haven't seen this anywhere. How about this possibility (Not sure it's allowed?)
3 Team Trade:
Cardinals receive draft pick or picks
Another team eats 50% of Hopkins salary for this year. (Unsure of 2024 dead cap issues?) This team receives a draft pick for eating the $
Acquiring team receives Hopkins at 50% retained
IF that scenario is considered legal and not cap circumvention....
a rebuilding team who has cap space and wants more draft picks may entertain the idea of eating $