Tarik Skubal’s elbow injury may affect the Tigers’ October. It should affect everyone else’s July.  The double reigning American League Cy Young Award winner—and the prize of the upcoming free agent class—will undergo surgery to remove loose bodies in his left elbow, Detroit manager AJ Hinch told reporters on Monday. He declined to offer a timetable, but other players who have had such procedures have been out two or three months. And there’s no way to know for sure how Skubal will pitch once he returns.  “It sucks,” Skubal reportedly said .  For Skubal and the Tigers, absolutely. But also for all the clubs who believed they could solve all their problems by writing a big check this winter. This winter’s free agent pool was already unusually shallow, in part because of all the extensions players have signed recently.…