Hitting four home runs in a single Major League Baseball regular-season game is an extraordinarily rare offensive milestone achieved by only a select handful of elite sluggers throughout league history. Among the legendary players to accomplish this breathtaking feat is Lou Gehrig, who famously belted four consecutive long balls for the New York Yankees in 1932. Other historic icons entering this exclusive club over the decades include Willie Mays, Mike Schmidt, Mark Whiten, Shawn Green, Josh Hamilton, and J.D. Martinez, who joined the elite group with a memorable four-homer explosion in 2017 while playing for the Arizona Diamondbacks. These rare offensive explosions require a combination of flawless timing, exceptional plate discipline, and opposing pitchers making critical mistakes over the heart of the plate, etching these specific players into the permanent record books of baseball lore.