Bucky Dent's 1978 AL East playoff home run

On October 2, 1978, in the one-game American League East playoff at Fenway Park, Bucky Dent of the New York Yankees hit a three-run home run over the left-field wall that gave the Yankees the lead and decided the division title. The play became a defining moment in the Yankees–Red Sox rivalry and is commonly referenced in Boston baseball history. The game remains one of the most remembered single events at Fenway Park.