She won the fight and retained her title via rear-naked choke submission in the third round. Davis' next fight was against Elaina Maxwell at Raging Wolf 9 on August 28, 2010. This fight was originally for the Raging Wolf Women's Flyweight Championship, but Maxwell was unable to make the 135 lbs weight limit, so the fight was changed to a non-title, three-round contest. Davis was defeated by unanimous decision. Davis successfully defended her title in a rematch with Evinger at Raging Wolf 10 on November 6, 2010. She once again submitted Evinger with a rear-naked choke. She was scheduled to challenge Shayna Baszler in a title fight rematch at The Cage Inc.: Battle At The Border 10 on July 30, 2011. However, the fight was cancelled after Davis signed with Strikeforce. Davis made her Strikeforce debut on July 30, 2011, against Julie Kedzie. She won the fight via unanimous decision. She faced Amanda Nunes on September 10, 2011, on the Strikeforce Grand Prix Semifinals card. She won the fight via TKO late in the second round. On January 7, 2012, it was announced that Davis would face Sarah Kaufman in a rematch at on March 3, 2012, in Columbus, Ohio. She lost the back and forth bout via a very close majority decision. Davis faced Hitomi Akano at on July 28, 2012. She defeated Akano by submission due to a rear-naked choke in the second round and earned a submission of the night bonus. Davis faced Shayna Baszler in a rematch at on January 5, 2013. Davis won the fight via technical submission due to a rear-naked choke in the third round. The bout was named Fight of the Night. On Feb 12, 2013, it was announced that both Davis and Sara McMann were signed to the UFC. Davis faced Rosi Sexton in her UFC debut at UFC 161 on June 15. She won the back-and-forth fight via unanimous decision. In her second UFC bout, Davis faced Liz Carmouche on November 6, 2013, at UFC Fight Night 31. She won the fight via unanimous decision. Davis faced Jessica Eye on February 22, 2014, at UFC 170. Davis won the fight via split decision. Davis faced UFC Women's Bantamweight Champion Ronda Rousey for the belt at UFC 175 on July 5, 2014. She lost the fight via knockout sixteen seconds into the first round. Davis faced Sarah Kaufman for a third time at UFC 186 on April 25, 2015.