If 2021 has told us MMA followers anything, it’s don’t underestimate the calf kick. Just look at Conor McGregor, whose first career TKO loss was catalyzed by brutal low calf kicks thrown by Dustin Poirier at UFC 257 in January. Or go back and watch the thrilling performance Pedro Munhoz and Jimmie Rivera put on at UFC Fight Night 186 this past Saturday. After Munhoz won a unanimous decision , the two fighters compared shins – battered and bruised from the kick-heavy battle