Villante at Strikeforce: Fedor vs. Silva. Griggs won the fight in the first round via TKO. The fight served as a reserve bout for the Strikeforce Heavyweight Grand Prix. Griggs' next fight was against Valentijn Overeem at Strikeforce: Overeem vs. Werdum on June 18, 2011, in Dallas, Texas. He won the fight via submission to strikes in the first round. Ultimate Fighting Championship With the elimination of the Strikeforce Heavyweight division, Griggs moved to the UFC in 2012 and faced Travis Browne on April 21, 2012, at UFC 145. He lost the bout in the first round via submission due to an arm-triangle choke. Griggs was expected to face Phil Davis in his Light Heavyweight debut on August 4, 2012, at UFC on FOX 4. However, Griggs was forced out of the bout with an injury and replaced by promotional newcomer Wagner Prado. After moving down to Light Heavyweight, Griggs lost to Cyrille Diabaté via first round rear-naked choke submission on November 17, 2012, at UFC 154. He was released from the UFC on January 18, 2013. Personal life Griggs and his wife Julie have two children. Griggs also works as a full-time firefighter and a paramedic with the Tucson Fire Department. Mixed martial arts record |- |Loss |align=center| 11–3 | Cyrille Diabaté | Submission (rear-naked choke) | UFC 154 | |align=center|1 |align=center|2:24 |Montreal, Quebec, Canada | |- | Loss |align=center| 11–2 | Travis Browne | Submission (arm-triangle choke) | UFC 145 | |align=center| 1 |align=center| 2:29 |Atlanta, Georgia, United States | |- | Win |align=center| 11–1 | Valentijn Overeem | TKO (submission to punches) | Strikeforce: Overeem vs. Werdum | |align=center| 1 |align=center| 2:08 |Dallas, Texas, United States | |- | Win |align=center| 10–1 | Gian Villante | TKO (punches) | Strikeforce: Fedor vs. Silva | |align=center| 1 |align=center| 2:49 |East Rutherford, New Jersey, United States | |- | Win |align=center| 9–1 | Bobby Lashley | TKO (doctor stoppage) | Strikeforce: Houston | |align=center| 2 |align=center| 5:00 |Houston, Texas, United States | |- | Win |align=center| 8–1 | Jon Alexander | KO (elbows) | USF: Rumble in Wyoming | |align=center| 1 |align=center| 1:13 |Casper, Wyoming, United States | |- | Win |align=center| 7–1 | Eric Garcia | TKO (punches) | All Power Combat 1 | |align=center| 1 |align=center| 1:02 |Arizona, United States | |- | Win |align=center| 6–1 | Steve Sayegh | TKO (punches) | Rage in the Cage