I noticed that too. I'm pretty sure he was a main cast member on "No Man's Land" that aired in 2014 (Iirc it was on History as well). I liked that show as much as I do this one, good to see him on there.
Muvee -- you nailed it. I particularly liked the episode wherein he modified his truck for the rugged terrain of the desert -- glad he brought it along.
I'm thinking the wife and kid didn't like the desert too much -- they hardly had any face time on NML, whereas they're featured more prominently on MM.
---------------------------------------------------------------------------------- You have meddled with the primal forces of nature, and YOU ... WILL ... ATONE!
I think those are tattoos. On his face. ON HIS F'G FACE!
Yeah, I thought that was a little odd too. IIRC, when I watched No Man's Land, I use to just stare when he would come on the screen and wonder what the deal was. I'd never seen that style of tattoo under someone's eyes.
The new guy is great and yes he was on no mans land and liked that show as well. its great to see him back! It was a breath of fresh air all the other dudes are doing the same repetive stuff over and over. It's nice to see something different and like how they intergrated his family.