<P> Roger Connor is believed to have been the first major league player to hit a grand slam , on September 10 , 1881 , for the Troy Trojans . Although Charlie Gould hit one for the Boston Red Stockings ( now the Atlanta Braves ) in the National Association ( NA ) on September 5 , 1871 , the NA is not recognized by MLB as a major league . </P>
<P> Roger Connor is believed to have been the first major league player to hit a grand slam , on September 10 , 1881 , for the Troy Trojans . Although Charlie Gould hit one for the Boston Red Stockings ( now the Atlanta Braves ) in the National Association ( NA ) on September 5 , 1871 , the NA is not recognized by MLB as a major league . </P>
who hit the first grand slam in baseball history
who hit the first grand slam in baseball history
Roger Connor
Roger Connor