http://assets.espn.go.com/i/tvlistings/tv_espn_original.gif en-us 10 ESPN Inc. http://espn.go.com/ Copyright 2010 ESPN Inc. The NFL retirement board determined in 1999 that repeated blows to the head had left Mike Webster, who spent most of his 17-year career with the Pittsburgh Steelers, "totally and permanently" disabled.]]> November 16, 2012 03:04:10 PST For years while the NFL's top medical experts denied any link between football and long-term brain damage, the league retirement board awarded disability payments to at least three former players after concluding that football caused their brain injuries.]]> November 15, 2012 18:23:28 PST