The card takes place December 15 from Las Vegas. Along with Carwin-Nelson in the main event, the finals of the TUF tournament will also go down.
Barry (7-5) was an assistant coach with Carwin on the show. He is just 1-3 in his last four bouts inside the Octagon.
Del Rosario (11-1) suffered his first professional defeat when he was stopped by Stipe Miocic earlier this year. The fight was also the UFC debut for Del Rosario.
- "Here Comes The Boom" Falls To Seventh Over Weekend
- TUF Fridays Bounces Back With 811,000 Viewers
- UFC 154 Fight Lineup Confirmed, Four Fights Each To FX, Facebook
- Chad Mendes Has Battery Charge Dropped
- Chris Beal's Secret To Success Is Always Being Ready To Fight
- Daniel Straus Says After Next Fight He Maintains No. 1 Contender Status
Get more great MMA news and analysis over at Fightline