In The Ultimate Fighter 3, Grove trained under Tito Ortiz, and won a preliminary victory against Ross Pointon by rear naked choke and in the semi-finals defeated Kalib Starnes, a rib injury incurred by Starnes during the fight caused him to verbally submit. He defeated Ed Herman in the finals with a unanimous decision (2928, 2928, 2928) in the series finale, winning a six-figure contract.In his first bout since the show on October 10, 2006, Grove defeated then-undefeated Chris Price in the first round via a submission (ground and pound, due to strikes).After the taping of the series, Grove was invited to Ortiz's training camp, Team Punishment and has trained with Ortiz along with many of his former teammates on The Ultimate Fighter 3 at Ortiz's Big Bear City, California training facility. He trained with Randy Couture's camp at Xtreme Couture. Since his loss to Jorge Rivera, he has moved back to Hawaii and has trained there with his friend BJ Penn.At UFC 74, Grove experienced his first loss in the UFC to Patrick Ct, who won by knockout in the first round. Grove experienced his second consecutive loss at UFC 80 to Jorge Rivera by TKO at 1:20 in the first round.Grove faced Evan Tanner at The Ultimate Fighter 7 Finale on June 21, 2008. The bout saw Grove bloody Tanner and frustrate the former middleweight champion by stopping his takedowns and getting back immediately following being sent to the floor. Grove won a split decision (3026, 3026 for Grove, 2928 for Tanner) to snap his two fight losing streak.The year 2009 saw Grove go 2-1, with wins coming against Jason Day and Jake Rosholt at UFC 96 and UFC 106 respectively. Grove's only loss of the year came against Ricardo Almeida at UFC 101 in a unanimous decision.After every knockout win, Kendall Grove celebrates with the same routine, appearing to dig a grave and bury his opponent (similar to Tito Ortiz). He acts out hammering a nail into the coffin, digging a grave for his opponent and wiping dirt back on the coffin. In a recent interview with MMA blog "Inside the Cage," Kendall calls the celebration the "Dagger Dance."Grove next faced middleweight prospect Mark Muoz at UFC 112. After a successful first round with several near submissions, Grove lost via TKO (Strikes) 2:50 seconds in the 2nd round.Grove most recently faced Goran Reljic on July 3, 2010 at UFC 116. Grove won by split decision. Grove is expected to face Demian Maia on December 4, 2010 at The Ultimate Fighter 12 Finale.