Amanda Cooper has made it her duty to be Mackenzie Dern’s comeuppance

Of all the unforeseen Fight Week surprises heading into UFC 224, Jacare Souza’s sudden ability to grow hair is right up there. Few of us could have predicted such a strange turn of events back in January when he beat Derek Brunson on the FOX flagship with his dome all aglint. The other surprises have included Vitor Belfort’s neighborly robes, the burgeoning creativity of John Lineker’s barber, and Amanda Cooper — a 3-3 fighter who enters her fight tonight with Mackenzie