Should I trade off Chris Carson or gus Edwards to receive mostert? I also have cook and n. Harris as my 2 starting rbs
No. Chris Carson is a better bet than Mostert for me.
You’re really quite set at RB with Carson and Edwards as third and fourth guys. I wouldn’t be massively opposed to Edwards for Mostert but even then the risk is much higher and the reward probably not much better than you already have.
Mostert would be nice but at the expense of one of them is really more of a sideways step than a step forward for your team in my opinion.
It’s worse than a sidestep, it would be a step backward, in either case.