Greatness in sport is both undefinable and immediately recognizable. Though it is rare, Western Pennsylvania has been graced with a long history of athletes who embody the essence of greatness. They have proudly represented the region in sports such as boxing, golf and track; carried their collegiate teams to victory; and worn the black and gold of the Steelers, Pirates and Penguins. Pittsburghers still recall how Mario Lemieux glided effortlessly through an opposing defense before befuddling the goalie or Arnold Palmer's unique swing that made the everyday duffer feel like he was one of them. Fans debate whether Terry Bradshaw or Ben Roethlisberger is the better quarterback and what the legacy of Barry Bonds is, while keeping Roberto Clemente among their most cherished icons. Take a deep dive into all of that and more and re-discover the best of the best in Pittsburgh sports history.