For the first part of the offseason the Pinstriped Bible staff will be grading 35 of the Yankees' main contributors to the 2013 roster. Their entire season will be taken into account, even if part of it came at the minor league level. We continue this series with Joba Chamberlain.
Yankees 2013 Roster Report Card: Joba Chamberlain
Let's assign a grade to one of the worst relievers in all of baseball in 2013.