Finally! Ottoneu Fantasy Football has a Roster Organizer. You can find it under your team menu for now. This was on the wishlist for 2.5 years, and I apologize for taking so long to getting this core feature implemented on the football side.
If you run into any issues, and I predict there will be a couple of bugs with the RO, please let me know in the Tech Support forum. Thanks for your patience and for supporting Ottoneu Fantasy Sports.