Cleveland announced that Shane Bieber will start on Tuesday with Triston McKenzie scheduled to start on Wednesday against the Tampa Bay Rays. I can’t tell you how many times I’ve pinched myself since the Guardians officially clinched the American League Central Sunday down in Texas. It still doesn’t seem real with how the season has gone. The postgame celebration in the locker room was a site to be seen and each one of those players and coaches deserved it. But that was yesterday, it’s time to get serious and start thinking about the postseason. Good thing the Guardians already have.…