The two crossword solutions for the term 'Cowboy Rival' are 'Niner' and 'Ratso'. Niner is a reference to the San Francisco 49ers, a professional American football team based in the San Francisco Bay Area. Ratso is a reference to the Dallas Cowboys, a professional American football team based in the Dallas–Fort Worth metroplex. Both teams have been rivals since the 1960s, when they were both members of the National Football League's Western Conference.