Biggest Gigachad moments in boxing

The first thing to come to my mind is the clip of Ali completely dodging one of Terrell's combinations off of a simple pull back (You know what clip I'm talking about), but there's tons of moments that could qualify.
My personal favorite might be Tim Witherspoon bobbing and weaving out of a full combination from Bruno and just shrugging at him.
The clip of Witherspoon is 1:00 in.

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LOL that was pretty funny.

 

There's something so cool about somewhat simple exchanges like that, I much prefer it to more recent showboating.