Which magazine maintains the ranking of fighters in the weight class which Joanna Jędrzejczyk competes within?
Joanna Jędrzejczyk: Joanna Jędrzejczyk (] ; born August 18, 1987) is a Polish mixed martial artist and former Muay Thai kickboxer who competes in the women's strawweight division of the Ultimate Fighting Championship. Joanna Jędrzejczyk:  As of May 2017, she is the consensus #1 female strawweight, and #1 pound-for-pound female MMA fighter in the world.
i don't know