Mariners welcome back Criswell, with Montes set to join club Tuesday
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What happened
BOSTON -- September roster expansion wasn’t for another day when the Mariners arrived at Fenway Park on Monday, but they were already preparing for slugging prospect Lazaro Montes to join them within the next 24 hours. Separately, they also added a much-needed -- and welcomed -- return to their bullpen
Summary assembled by rule from the sources below