Marcus Rayshon Spears, nicknamed "Swagu", is an American former professional football player who was a defensive end for nine seasons in the National Football League (NFL), primarily for the Dallas Cowboys. He played college football for the LSU Tigers, earning consensus All-American honors. Spears was selected by the Cowboys in the first round of the 2005 NFL draft. He also played in the NFL for the Baltimore Ravens.
In August 2014, Spears became a co-host of SEC Nation, the SEC/ESPN Network's flagship show. SEC Nation is a weekly college football preview show offering insight into upcoming national and SEC football games. He is a regular contributor to the Paul Finebaum Show, broadcast daily on the SEC Network. He is affectionately referred to as "The Big Swagu".
In 2015, Spears began hosting a TV show called DFW Outdoorsman The show covers hunting, fishing, and other similar activities in the North Texas area.
Beginning with the 2017 college football season, Spears began hosting Thinking Out Loud on the SEC Network with former Alabama quarterback Greg McElroy.
Spears now appears regularly on ESPN morning shows Get Up!, First Take, and its flagship NFL studio show, NFL Live. Spears does Monday Night Countdown before Monday Night Football.