Mario Mendoza was a shortstop and third baseman who played nine seasons from 1974 through 1982 for three teams, the Pittsburgh Pirates, Seattle Mariners and Texas Rangers.
Kids, he wasn't very good, owning a lifetime slash line of .215/.245/.262 with a career OPS of .507 in 1456 career plate appearances. He was a half-decent defensive player, but over the years has become a legend in the game for his offensive ineffectiveness.
That's right, whenever you hear people talk about "The Mendoza Line," this is the guy they're talking about. "The Mendoza Line" refers to a .