announced that he was signing a four-fight deal with the Ultimate Fighting Championship. Grove expressed interest in fighting fellow European standout Mostapha al-Turk, who has also signed with the UFC. He lost his long-awaited UFC debut UFC 95 in London, England, to Mike Ciesnolevicz via Heel hook submission early in the first round. Grove was released from his UFC contract in May. Return to Ultimate Challenge MMA After being released from the UFC, he returned to UCMMA as their Heavyweight Champion. Grove defeated Martin Thompson to retain his title. He then fought to a draw with Stav Economou at Ultimate Challenge MMA: Never Back Down. Bellator Grove made his Bellator and U.S. debut against Eddie Sanchez, winning via TKO (Punches) at 1:32 of round 1. He next faced Alexey Oleynik at Bellator 29 and won via TKO at 0:45 in the first round. This win earned Grove a spot in the finals of the Bellator Heavyweight Tournament, where he faced undefeated wrestler Cole Konrad. Grove lost the fight via submission in the first round. Grove was scheduled to make his return to the promotion at Bellator 43 where he would face The Ultimate Fighter 10 alumnus Zak Jensen. However, Grove pulled out of the bout due to an injury. Grove instead fought Jensen at Bellator 47. He won the fight via TKO in the first round. Grove entered the Bellator Season Five Heavyweight Tournament. He faced Mike Hayes at Bellator 52 and lost the back-and-forth bout via split decision. Grove faced Thiago Santos at Bellator 56 in the semi-finals after Blagoi Ivanov pulled out of the bout due to an injury. He lost the fight via submission in the first round. Super Fight League Grove faced Todd Duffee in the main event at SFL 2. He lost via TKO at 34 seconds in the first round. Third run in UCMMA Grove was scheduled to return to UCMMA at UCMMA 31 to face Darren Towler for the UCMMA heavyweight title, but Towler had to retire before the match due to a serious shoulder injury, being replaced by Tomasz Czerwinski making the match for the interim heavyweight title. Grove snapped his three fight losing streak, knocking out Czerwinski in the first round. Bellator return After being away from the sport for two and a half years, Grove is scheduled to return in July 2016. He faced James Mulheron at Bellator 158 on