UFC 116: Lesnar vs. Carwin was a mixed martial arts event held by the Ultimate Fighting Championship on July 3, 2010, at the MGM Grand Garden Arena in Las Vegas, Nevada.

However, the fight was cancelled for unknown reasons[10] and Cantwell was replaced by UFC returnee Seth Petruzelli.

[12] On June 22, 2010, Wanderlei Silva had to withdraw from his co-main event fight against Yoshihiro Akiyama due to three broken ribs and an injured right knee.

[13] The bout between Kendall Grove and Goran Reljic was originally slated for the live prelims show on Spike TV.

However, it was later demoted and replaced by Seth Petruzelli vs. Ricardo Romero because of Grove's criticism of the Spike TV network and The Ultimate Fighter television show.