The NFL Network host and football czar told TMZ Sports outside of Craig's this week how to beat all your buddies and coworkers in your drafts next month.

First ... Eisen says target the top guys.

"Le'Veon Bell ... Antonio Brown," he says.

Then ... Eisen reveals his ULTIMATE sleeper that'll win you leagues the same way Saints stud Alvin Kamara did last season.

Finally ... Rich has one more piece of advice -- go HARD after an AFC South quarterback coming off an injury.