Bullpen roles are gaining more clarity, with many relievers struggling right now. That's why it's important to stay on top of the latest closer developments.
Arizona Diamondbacks
Over the back half of May, Mark Melancon allowed a run and five hits over 5.2 innings with six strikeouts, a win, and three saves. Despite a 6.23 ERA and 1.73 WHIP over 17.1 innings, he is 10-for-11 in save conversions while recording five losses. Joe Mantiply extended his scoreless streak to 9.2 innings with no walks and 13 strikeouts.
Atlanta Braves
Kenley Jansen struggled over his last six innings (five runs, 12 baserunners, and one home run), leading to three blown saves in six chances.