Well considering that Martinez is a small 160 I don't think size will much of a difference here. Wonder if Martinez's age will finally catch up to him though. That aside, I think the lineal champ has enough to worry about in his own division, Pirog, Geale, and GGG are to name a few.

P.S

I'm a big Martinez fan So I rather him fight legit opponents at 160 to secure a legacy of sorts.