CBS Sports and Turner Sports have added head coaches Brad Underwood (Illinois) and Frank Martin (South Carolina) as guest studio analysts for the 2018 NCAA Division I Men’s Basketball Championship airing across TBS, CBS, TNT and truTV.  Underwood will join the Atlanta studio team – host Casey Stern and analysts Brendan Haywood, Candace Parker and Seth Davis – on Thursday and Friday, March 15 and 16, with Martin in Atlanta on Saturday and Sunday, March 17 and 18.

Underwood just completed his first season at Illinois and has gone 123-45 (.732) in five seasons as a Division I head coach, securing four NCAA Tournament berths with Stephen F. Austin (2014-16 seasons) and Oklahoma St. (2017).

RELATED: 2018 March Madness full schedule 

Martin has served as head men's basketball coach at the University of South Carolina since the 2012-13 season, where he was named the 2017 Jim Phelan National Coach of the Year after guiding the Gamecocks to a school-record 26 wins and the first Final Four berth in school history.

For the eighth consecutive year, Turner Sports and CBS Sports will provide live coverage of all 67 games from the 2018 NCAA Division I Men’s Basketball Championship across four national television networks – TBS, CBS, TNT and truTV – and NCAA March Madness Live.  This year’s tournament continues with the NCAA First Four™ on truTV presented by Northwestern Mutual, tonight, Wednesday, March 14, at 6 p.m.  This year’s NCAA Final Four National Semifinals on Saturday, March 31, along with the National Championship on Monday, April 2, will be televised by TBS, with corresponding TeamCast presentations on TNT and TruTV.