Tony Romo

Dallas Cowboys quarterback Tony Romo (9) watches the action against the New Orleans Saints during the second half of an NFL football game on Sunday, Dec. 23, 2012, in Arlington, Texas. New Orleans won 34-31.(AP Photo/Sharon Ellman)

The Saints won't be the only team relying on the rookie class as the defending champion Patriots roll into town. 

Tony Romo, fresh off his first-ever regular season broadcast — which drew some rave reviews — will man color commentating duties from the Mercedes-Benz Superdome on Sunday. 

The long-time Dallas Cowboys quarterback will be joined for the noon (CST) broadcast on CBS with veteran play-by-play announcer Jim Nantz and Tracy Wolfson. 

“This is not an easy job,” said CBS Sports Chairman Sean McManus before Romo's first broadcast, according to a report from Sports Illustrated. “Tony coming out of the box is not going to be great. He is a work in progress. But we think he will be good enough to warrant the No. 1 analyst job.”

One of Romo's best skills, honed over 14 years in the NFL, was his ability to call out plays and audibles before they happened. He did just that several times while calling last week's game between the Oakland Raiders and Tennessee Titans. 

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Romo spent his entire career with the Dallas Cowboys (2003-'16), eventually losing his job to rookie Dak Prescott after an injury in the preseason a year ago. Romo opted to retire this past offseason.