.@RondaRousey's sister should totally player her when she is younger in this new biopic.
— Mike Dyce (@mikedyce)Twins much?
5. Mark Bomback is adapting the book for film and is producing it, along with Rousey and executive producer Mary Parent.
6. Biopics rarely star the actual subject of the film, with Eminem’s “8 Mile” being a recent, notable exception.
Even so, Eminem has said that the film was loosely based on his life.