Sports coup is a term used to describe a situation in which a group of people take control of a sports organization or team. The two crossword solutions for this term are 'UPSET' and 'HOLEIN'. 'UPSET' is a 5-letter word that means to disturb the balance of power or to overthrow an existing order. 'HOLEIN' is a 6-letter word that means to make a sudden, dramatic change in a situation. Together, these two words can be used to describe a sports coup.