During his appearance on The Joe Rogan Experience , Rousey 's trainer Edmond Tarverdyan said that Rousey started her MMA career in the 145 lb division .
Rousey had to be able to make weight at short notice .
During his appearance on The Joe Rogan Experience , Rousey 's trainer Edmond Tarverdyan said that Rousey started her MMA career in the 145 lb division because she had to be able to make weight at short notice .