The Boston Red Sox finished Monday with just 13 pitchers on the active major league roster, which will be the same number they bring to Cincinnati for opening day.

Now, the only question remaining is whether those same 13 pitchers will all be in uniform, locked and loaded for appearances against the Cincinnati Reds. And that seemingly depends on where things land with reliever Danny Coulombe.

Entering Tuesday, Coulombe was the only pitcher with any real injury concerns, which represents less-than-ideal timing, considering the 36-year-old was also the latest major league signing of the offseason for this Boston team.

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Coulombe awaiting X-ray results as of Monday p.m.