UFC 159: Jones vs. Sonnen was a mixed martial arts event held on April 27, 2013, at the Prudential Center in Newark, New Jersey.

However, the bout was scrapped as both fighters sustained training injuries leading up to the fight.

However, Perez pulled out of the bout just days before the event citing an injury and was replaced by Bryan Caraway.

[6] Welterweights Nick Catone and James Head were scheduled to face each other on this card.

[8] ^ Double bonus winner Pat Healy had his awards rescinded after testing positive for marijuana during his post fight drug screening.