Mark Frederick Schlereth (/ˈʃlɛrɨθ/; born January 25, 1966) is an American former professional football player and current television and radio sportscaster. Schlereth played guard in the NFL for 12 seasons (1989–2000) with the Washington Redskins and Denver Broncos. He is currently a football analyst for ESPN on NFL Live, SportsCenter, and other programs. He also co-hosted Sedano & Stink with Jorge Sedano from 7-10 p.m.