 In 1966, after playing two seasons for the AFL's Bills, he joined the NFL's Giants in May after playing out his option, sparking the "war between the leagues" and effectively expediting the subsequent AFL–NFL merger agreement in June.He is distinguished as being the first Hungarian to play in the National Football League.In 2010, the New York Giants announced that Gogolak would be included in the team's new Ring of Honor to be displayed at all home games in their new stadium.