The Mets have designated lefty Sean Gilmartin for assignment, Anthony DiComo of MLB.com tweets. The move clears roster space for righty Seth Lugo, who is returning from an elbow injury to make his 2017 debut in a start this afternoon against the Braves.
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The Mets selected Gilmartin from the Twins in the 2014 Rule 5 Draft, and his big-league career began auspiciously with a 2.67 ERA, 8.5 K/9 and 2.8 BB/9 over 57 1/3 innings in his rookie season, most of them spent in relief.