1974 Topps football card of former pro football defensive end L.C. Greenwood, who was a member of the Pittsburgh Steelers’ famous “Steel Curtain” defense in the 1970s. He was a two-time All Pro and a six-time Pro Bowler, despite playing in the shadow of his more famous teammate Joe Greene. He was known for wearing gold football spikes when he played, was named to the NFL’s All Decade team for the 1970s, and helped Pittsburgh win four Super Bowl titles in that decade. Greenwood died of kidney failure in 2013 at the age of 67.