Ronda Rousey sparks UFC return talks as she sets her sights on champion Kayla Harrison

Ronda Rousey might return to UFC. She stopped MMA due to concussion issues. She is training again and sparking comeback buzz. Chael Sonnen says Rousey wants to fight Kayla Harrison. Harrison signed with UFC and won the bantamweight title. Rousey posted training videos with Cat Zingano. She mentioned neurological fitness concerns. Dana White has not confirmed anything yet.