Plenty of college baseball teams are making headlines this week, and not for winning. They’re making headlines for canceling games. On Tuesday, NC State, Miami (Fla.), Michigan, Ohio State, Oregon and Kansas State all cancelled midweek games against mid-major or lower level teams that were scheduled for Tuesday. The reasons vary and most cite the threat of inclement weather. There’s some validity to it, but it’s hard to ignore the other, often unspoken reason. Teams don’t want to damage their RPI late in the season. If Oregon were to lose to Grand Canyon, who is 17-18 this season and ranked No. 219 in RPI, the Ducks would almost be guaranteed they wouldn’t host a NCAA Regional and might even fall to a No. 3 seed in a regional. If Oregon won, it wouldn’t gain much ground in the RPI standings. Also, of all the games cancelled Tuesday, Oregon’s cancellation was the only one not given a specific reason . Other teams simply didn’t schedule a midweek game.…