UFC bantamweight champion Raquel Pennington thinks Kayla Harrison should have to work her way up to the top. Two-time Olympic gold medalist and PFL champion Harrison (16-1 MMA, 0-0 UFC) makes her octagon debut in a bantamweight bout against former champ Holly Holm (15-6 MMA, 8-6 UFC) on April 13 at UFC 300 in Las Vegas.
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