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Kimbrel is No. 1 again in 2012.
Honorable Mention: Jason Motte, Jonathan Papelbon, Jim Johnson
Bronze: Aroldis Chapman
Silver: Fernando Rodney
Gold: Craig Kimbrel
Craig Kimbrel's ability to blow it by hitters is the reason he's the best closer. His 42 saves were tied for third in the MLB, but his 16.66 K/9 rate is incredible. Kimbrel was amazing last year, but he was able to increase his strikeouts and decrease his walks this season.
What a difference a year can make. Fernando Rodney lost his job as closer a year ago, but his 0.60 ERA was, by far, the best of the season. He also owned a 9.16 K/9 rate, which is the highest it has been since 2008.
It will be interesting to see what Aroldis Chapman can do with a full season as closer. If he can stay healthy, he has a chance to rival Kimbrel, but can his arm hold up to that type of workload?