She submitted Tweet with an armbar in 49 seconds .
Rousey faced kickboxing champion Charmaine Tweet in an MMA bout at Hard Knocks Fighting Championship : School of Hard Knocks 12 on June 17 , 2011 , in Calgary , Canada .
Rousey submitted Tweet with an armbar in 49 seconds .
Rousey faced kickboxing champion Charmaine Tweet in an MMA bout at Hard Knocks Fighting Championship : School of Hard Knocks 12 on June 17 , 2011 , in Calgary , Canada .