An oddity of this year's NCAA tournament: with New Mexico's loss tonight, the westernmost remaining team is Baylor. Waco is east of the geographical center of the contiguous 48; with 24 teams remaining, the western half of the US has been entirely eliminated.
That's never happened before. Only once in the 62 tournaments played since they went to 16 teams in 1951 has the Sweet Sixteen been without a team west of Texas, in 1985. But UNLV didn't exit the tournament until Sunday of that year, so they were still in at this point.
I don't know what, if anything, to make of this. I'd be more inclined to think it was just a random quirk if some high west coast seeds had been upset, but as it was the PAC-12 could barely scrape together even one tournament-worthy team.
I have a suspicion that the relative lack of exposure of the PAC-12 since their games went to Fox is hurting recruiting there; the MWC has also slid their games onto less exposed networks.
On the other hand you could put together a pretty good team just out of UCLA transfers, so maybe that isn't the whole story.