CINCINNATI — Things weren’t going so well for Caleb Thielbar on Wednesday night. The lefty reliever allowed back-to-back home runs in the bottom of the eighth inning, further whittling down what hadn’t long earlier been a comfortable six-run Cubs lead. A two-out double put another guy in scoring position. Then Orioles shortstop Gunnar Henderson smashed a 103-mile-an-hour liner back up the middle. Oh no, another run, right? Not with Dansby Swanso…