History Section on Instagram: "In 1981 at Wimbledon, John McEnroe had one of the most infamous outbursts in tennis history. During his first-round match against Tom Gullikson, McEnroe strongly disagreed with a line call and shouted at the umpire, "You cannot be serious!" His outburst led to widespread media attention and solidified his reputation as a fiery and controversial player. Despite the incident, McEnroe went on to win the tournament, capturing his first #Wimbledon title."