Ronda Rousey beats Gina Carano in 17 seconds in MMA return: ‘I didn’t really want to hurt her’

• 39-year-old stops 44-year-old with signature armbar

• Rousey says fight will be the last of her career

Ronda Rousey stopped Gina Carano with her signature armbar just 17 seconds into the two fighters' double comeback bout on Saturday night.

After finishing the 44-year-old Carano with a ferocity that evoked her famous heyday, the 39-year-old Rousey reaffirmed that this was the epilogue to her historic MMA career. She insists she is headed into retirement after ending on a dominant victory.