Las Vegas is in the top of my list of US cities that I plan to visit in the future. How's soccer fan base in there? Any known soccer club or stadium?
There's no pro team I know of there, but there has been some international club friendlies and competitions held at Sam Boyd Stadium in the past. http://www.samboydstadium.com/
I have family in Vegas and visit regularly. I don't know if there's many games to watch in person but I sometimes stop by this pub to watch games from the English league... Crown & Anchor British Pub 1350 E Tropicana Ave Las Vegas, NV 89119
Las Vegas has an MPSL team (amateur, in more ways than one), and other than the aforementioned pub recommendation, not much else.
Of course one of the anecdotes coming out of the CONCACAF Champions Cup hosted there some years ago was that they had to redraw the center circle because initially they'd been so careless that they put it noticeably off-center. The MPSL barely qualifies as a league.