In baseball, a triple is scored when the ball is hit in such a way that the batter is able to advance all the way to third base, scoring each runner who was already on base, with no errors by the defensive team on the play. In Major League Baseball (MLB), a player in each league is recognized for leading the league in triples. Only triples hit in a particular league count toward that league's seasonal lead.
The first triples champion in the National League was Ross Barnes; in the league's inaugural 1876 season, Barnes hit fourteen triples for the . In 1901, the American League was established and led by two members of the Baltimore Orioles: Bill Keister and Jimmy Williams each had 21.