Former Pittsburgh Steelers defensive lineman L.C. Greenwood waving to fans in 2006. He died Sunday at the age of 67. Stephen M. Gross /UPI /Landov hide caption

itoggle caption Stephen M. Gross /UPI /Landov

Denver Broncos quarterback Tim Tebow celebrates after beating the Pittsburgh Steelers 29-23 in overtime of an NFL wild card playoff football game on Sunday, (Jan. 8, 2012). Chris Schneider/AP hide caption

itoggle caption Chris Schneider/AP