What barriers might come up in a sports deal?

What barriers might come up in a sports deal? How would you diagnose them?When could the tag team approach be effective?What deadlines exist in sports that make using the clock a particularly effective strategy?Can you think of any examples in past sports negotiations where a party has raised their demands after a deal has been struck?(think collective bargaining agreements)In a sponsorship agreement, who benefits more if you “let them brag?”