Why on earth would either Manly or the Warriors do this? Manly, a club widely understood to be under cap pressure, has to work out how to accommodate the highest paid prop in the game. The Warriors replace their best middle forward, who may want to leave but is still under contract, with a wildly underperforming player who plays a position in which they have a production line of young talent, and the Tigers... get to dump a crap contract in return for getting one of the most promising players in the game? That. Isn't. How. This. Works.
I would say both clubs would hang up on you the minute you suggested this deal but actually they'd probably keep you on the line for a few minutes just so they could laugh at you.