Roberto Clemente's One and Only, the first FBI man chasing Russian, and Lance Armstrong' won his first TdF - This DiSH for July 25

In 1956, Pittsburgh's Roberto Clemente hit a walk-off inside the park grand slam home run.In 1961, New York Yankee Roger Maris hit four home runs against four different pitchers.In 1952, American and FBI Agent Horace Ashenfelter pulling off a surprise win in the 3000m Steeplechase in the Helsinki Olympics.In 1999, Lance Armstrong won his first Tour de France. That win would later be vacated due to his doping confession.