In 2002, Roberts was hired by World Wrestling Entertainment as a backup announcer for "SmackDown", and then by moving to the "Raw" brand. He also worked on "Velocity" and "Heat" shows while touring as the full time "Raw" live event announcer. Also, Roberts announced the ECW show each week on the Sci Fi Network until September 2007, before swapping with SmackDown's Tony Chimel. Roberts was the most well known in his career when he announced the main event of WrestleMania XXIV between Edge and The Undertaker on March 30, 2008. Also announcing "SmackDown" and pay-per-view matches, Roberts would also announce on "WWE Superstars", including its first episode on April 16, 2009.