At midnight, ok 11:59 p.m. ET to be exact, all major league teams must finalize their 40-man rosters for postseason eligibility. Any player not currently on the 40-man roster at that point will be ineligible for the postseason. At the same time, active rosters will expand to 28 players from 26, allowing teams to call-up a pitcher and a position player. For a Detroit Tigers club that rides high atop the American League but has shown some fraying around the edges over the past month and a half, these could yet prove to be important decisions, particularly on the pitching side of things.

Now, players on the 60-day injured list are qualified, as well as anyone on the 40-man as of midnight. So possible returnees like RHP Reese Olson, RHP Jose Urquidy, RHP Paul Sewald, RHP Jason Foley, and LHP

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