Answer
Kenley Jansen won NL Reliever of the Year in 2016 and 2017. Jansen was a key part of the Dodgers' bullpen during their run to the World Series in both of those seasons. He was a dominant closer, recording 46 saves in 2016 and 36 saves in 2017. He also had a 2.19 ERA and 10.4 strikeouts per nine innings in those two seasons.