UFC’s Justin Gaethje Says He Would Beat Up 260-Pound Bodybuilder Bradley Martyn In ’10 Seconds’

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155-pound BMF champ Justin Gaethje is pretty confident in his ability against the much bigger Bradley Martyn.

For the past few months, the 260-pound Martyn has said he believes he could beat up some of the smaller UFC and boxing champions in a street fight.

Gathje apparently disagrees with Martyn’s claims.

During a recent UFC fan Q&A, Gaethje was asked about Martyn’s comments. At first, Gaethje said he would only have to “last 20 seconds, and he’s f—ed,” but changed it to 10 seconds when a fan told him Martyn weighs 260 pounds.