UFC champion Julianna Penna called Ronda Rousey "a sellout" and called out the WWE star for a fight.
Rousey, 35 years old, was the bantamweight champion of the world in 2016. He quit UFC after losing to Holly Holm, Amanda Nunes, and others.
After successive knockout losses
, Ronda Rousey left the UFC to join WWE in 2017.
Pena believes that she has pursued the money because she is a WWE star since 2017.
Pena called Rousey a "joke" but believes that her MMA reputation was tarnished by the fact that she has never attempted a comeback from back-to-back losses.
Pena stated on the MMA Hour, "Ronda's so old news, right?"
"She opened the door and started destroying people in 10 second, and she became a star because of that -- but she was knocked out twice, and she never came back." How legit is that?
SunSport
"She had no choice but to go pro wrestling. That's a great idea.
"But as someone who is competitive and a fighter, I know she feels it deeply. She went home after two defeats and has never come back to make her name.
"If she really does find it bothersome and if it is causing her discomfort at the end, and she doesn't want to go back to the horse again, then I would love to invite her back. If she wants to return, I would be happy to welcome her back with open arms.
"She's a bit of a joke now in the MMA world, because she's a -- What is the word? -- sellout.
Get a PS10 Bonus with 100s of Games to Play and No Deposit Required"Like, a bit of a sale there. I mean, I guess I understand, right? I understand that pro wrestling is fake and you get paid millions of dollar.
"But, for me, because I think you're the real deal , then that's in UFC. If she ever needs any real smoke, I'm available.
Rousey, in addition to WWE, has appeared on TV and film such as Entourage as well as Charlie's Angels.