Ex-MMA fighter Roxanne Modafferi responds to Riley Gaines, says she would only prefer to face 'Xchrom females'

Former MMA fighter Roxanne Modafferi made clear on Sunday that she only wants to get into the ring with female competitors as she answered Riley Gaines’ call to speak out about fairness in women’s sports.

The former NCAA champion swimmer has called on prominent female athletes over the last week "to take a stance on this issue because silence is complicity" amid the debate over transgender participation in women’s sports. 

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Gaines called out