Top 10 Active Relief Pitchers

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The Top Ten
1 Kenley Jansen

His ERA is below 2 if you take out the outing in San Diego, which mostly happened because Justin Turner forgot how to field a bunt.

2 Josh Hader

Filthy.

3 Kirby Yates
4 Brad Hand
5 Craig Kimbrel
6 Blake Treinen
7 Felipe Vasquez
8 Aroldis Chapman

When he's on, its over

9 Edwin Diaz
10 Shane Greene