A.J. Puk is set to be one of the most important relievers for the Arizona Diamondbacks this year. Whether or not he will be a closer, Puk is arguably the most crucial arm in the bullpen for the team.

This is article is part of a series reviewing the projections for each member of the Arizona Diamondbacks 40-man roster ... runs and WAR can be updated. Puk's career numbers include four starts ...

which indicates he's still the preferred ninth-inning man, but this was certainly an encouraging performance out of Puk. The 29-year-old left-hander pumped in nine of this 13 pitches for strikes ...