After growing up in New Orleans, she launched her career in Dallas, Texas, as a host on the city's premier urban radio station, 97.9 The Beat.
At the station, Rocsi cultivated a unique, street-smart style that caught the attention of Boston's Hot 97.7, where she later became a DJ.
In 2004, she moved to Chicago where she was hired as midday-hour DJ at radio station Power 92 WPWX-FM,[6][7] and was known as "The Midday Mami".
They left and Rocsi joined on July 6, 2006, winning the role of co-host of BET's 106 & Park along with Terrence J.
[11] In 2007, Rocsi starred as a BET News correspondent in Def Jam: Icon, but only appears in cutscenes on TV and not in fighting mode.
[22] Diaz provided color commentary for Cannonball on the USA Network alongside Mike “The Miz” Mizanin, who called the play-by-play.