Top outfield prospect George Springer will join the Astros tomorrow, reports Evan Drellich of the Houston Chronicle (via Twitter). The 24-year-old entered the season as a consensus top-25 prospect. As I recently discussed, Springer is among the game's near-MLB-ready prospects who has yet to see any MLB time. If he sticks on the big club for the remainder of the year, Springer would accrue 166 days of service -- short of a full season, but more than enough to set himself up to qualify for Super Two status. That means that the Astros will still stand to control him through...

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