Who would have thought that 20 years ago, West Virginia baseball would become so popular that its eventual new stadium wouldn't be quite big enough to seat a good chunk of the fans who attend a game? Throughout the regular season, that hasn't always been the case because of the cold weather early on and whatnot, but this weekend is a whole other story. West Virginia is expecting somewhere in the neighborhood of 5,000 fans for tonight's regional matchup against Binghamton, as well as every other game the Mountaineers play this weekend. Many of them will have standing room only tickets, either sitting on the grassy knoll or lining up above the two hills at the edge of the concourse, looking out onto the field. “I know it’s sold out. It’s packed," WVU head coach Steve Sabins said. "I’m seeing on StubHub and Seat Geek tickets going for $2,500. I think it’s probably about time we build more seats here, clearly because there’s people that want to watch this baseball team that aren’t able to this go around.…