<P> In 2004, Franco passed Cap Anson as the oldest regularly playing position player in MLB history . (A few regularly playing pitchers, including knuckleballers Phil Niekro and Hoyt Wilhelm, were older than Franco, and a few non-pitchers, like Minnie Miñoso and Jim O'Rourke, appeared as publicity stunts at old ages but did not play regularly .) </P> <P> On December 8, 2005, at age 47, Franco signed a two - year contract with the Mets . </P> <P> Franco had been the oldest player in the major leagues from 2004 to 2007, and was the last active player who was born in the 1950s . On April 20, 2006, pinch - hitting with one out in the eighth inning against the San Diego Padres, Franco hit a go - ahead two - run home run, becoming the oldest player in Major League history to hit a home run . Franco hit a three - run homer on September 30, 2006, in Washington to extend his own record . It was one of three hits in the game for Franco, who fell a triple short of hitting for the cycle . Franco yet again bested himself on May 4, 2007 when he homered into the swimming pool at Chase Field against Arizona Diamondbacks lefty Randy Johnson--a game in which he also stole a base . </P> <P> Franco was also the oldest player ever to hit a grand slam, a pinch - hit home run, two home runs in one game, and to steal two bases in a game . On April 26, 2006, Franco became the second - oldest man in MLB history to steal a base, behind only Arlie Latham, who accomplished the feat in a token appearance at age 49 with the New York Giants in 1909 . On July 29, 2006, against the Atlanta Braves, Franco became the oldest player ever to pinch run, when he came in for Carlos Delgado after Delgado was hit by pitch . On September 19, 2006, a day after the Mets clinched the division title, Franco started at third base in a game against the Florida Marlins . This was Franco's first start at the position since his rookie year, marking 24 years between starts at the position . </P>

Who is the oldest player to ever hit a homerun
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