"Putting something up for sale" can drive down the price, because potential buyers know the owner wants to get rid of the item. GMs talk all the time about not shopping guys, but they'll listen for offers. Unlike most businesses, a ballclub carries an emotional premium for rich guys who want to compete, and win in full view of the public. In the interview that Mariotti did with Cuban, Cuban said this: Would that happen quietly? I genuinely don't know the answer, not trying to be sarcastic or anything.