UFC officials announced the new bout on Thursday.
Green (22-5) took a huge leap up the UFC lightweight ladder at UFC on Fox 9 when he scored a unanimous decision victory over Pat Healy. The win bumped his unbeaten streak to seven consecutive fights.
Trujillo (11-5, 1 NC) is coming off of a victory over Roger Bowling at UFC on Fox 9. It was the second time the two met. The first time, Trujillo landed an illegal knee that forced a no contest result, but at UFC on Fox 9, he finished Bowling via TKO stoppage.
UFC 169 is topped by two title fights. Bantamweight champion Dominick Cruz returns to unify his belt with that of interim titleholder Renan Barão, while UFC featherweight champion Jose Aldo puts his belt on the line against Ricardo Lamas.
UFC 169 is scheduled for Feb. 1 at the Prudential Center in Newark, N.J.
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