Terms like “Super Bowl” and “World Series” are trademarked, so advertisers use phrases like “the Big Game” or “baseball final championship series”, in this case, to avoid a lawsuit.
The NFL has aggressively litigated uses of their trademarks, to the point where you might technically be allowed to do something, but realistically it isn’t worth the trouble.
The Olympics are down right evil when it comes to selecting cities. They will require long standing businesses to change their names of it is related to certain terms.