A 27-year-old right-hander, Buttó is 2-1 with a 2.47 ERA in 31 relief appearances this season, the last a two-inning outing at Pittsburgh last Saturday.

Already running low on pitching, the New York Mets have added starter Paul Blackburn and reliever Dedniel Núñez to a crowded injured list in their latest flurry of roster moves

Amid a series of roster moves Thursday, the New York Mets placed right-hander Paul Blackburn on the 15-day injured list because of a shoulder impingement. The move is retroactive to Sunday. The Mets also placed right-hander Dedniel Nunez on the 15-day IL with an elbow sprain,

The Mets beat the Brewers 7-3 in the second game of their doubleheader Wednesday after losing 7-2 in the first game. New York snapped a 4-game losing streak with the win, but is just 3-7 over its last 10 games.

These teams split a doubleheader Wednesday with the Brewers taking Game 1, 7-2, and the Mets winning the nightcap, 7-3. Freddy Peralta and a couple of relievers held the Mets to two hits in the opener.

Jacob Misiorowski was no longer dominant in his fourth big-league start, giving up a grand slam as part of a five-run second inning for the Mets.