Mark Frederick Schlereth (; born January 25, 1966) is a former professional American 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 Fox Sports, appearing on FS1, and other programs. He also co-hosted Sedano & Stink with Jorge Sedano from 7-10 p.m. ET on ESPN Radio until late March 2015 when he left the program to pursue other broadcast opportunities. He has also begun a career in acting, appearing on the soap opera Guiding Light, and 2012's Red Dawn remake.