A little late to the party but...
Screw recruiting the hard way and screw the possibility of one agent teams. In fact, screw coalitions (somewhat). Bring on a rookie draft. Bring on automatic one-year contracts that can't be renewed but allow teams to franchise players and give them the option of renewing; let's say 6 O, 6D, 1 ST. Subsequently, bring on real seasonal free-agency. Bring on trades that will be of value again. Bring on a salary-cap with minimum base salaries per position and level/stage. In other words, bring on some more things to do in the game besides coordinating and building.
In all honesty, I think the new game should be like Be A GM Connected (Online) where the only difference is instead of people creating players and playing with them, we create players for coordinators to coordinate with. It's said to be the fastest growing console-based online sports mode...