PT TOMORROW: NL Central—Uncertainty at back of Cubs' pen

Chicago Cubs

Héctor Rondón (RHP, CHC) excelled in the closer role in 2014, particularly in the second half, when he locked down 19 saves while posting a 1.13 ERA. His Dom did drop to 7.6 during that time, though, and it sits at just 7.8 this year. Rondon got off to a strong start, allowing just two runs and recording a 12:2 K:BB ratio in his first 12 appearances. But he's been a little shakier in 13 games since, allowing six runs with a 9:5 K:BB ratio, while blowing a couple saves and being removed in the ninth inning of another save opportunity.

Manager Joe Maddon has mentioned using him earlier in games, which he did on June 7, tossing a scoreless eighth inning. Pedro Strop (RHP, CHC) has been serving as the primary setup man and...

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