Chicago Cubs: Can Justin Grimm Solidify Bullpen?

Entering the season, the bullpen was possibly the most obvious strength on the Chicago Cubs’ roster. With closer Hector Rondon, and hard-throwing right-handed set-up men Pedro Strop, Neil Ramirez, Jason Motte and Justin Grimm, the Cubs seemed to have unlimited upside in the bullpen.

While that still may be the case, early season injuries have really held them back. Grimm started the season on the disabled list with an injured elbow, and Ramirez suffered a shoulder injury just a couple of weeks into the season. At the time, most thought the Cubs would be fine, but middle relief quickly became a huge problem.

Rondon has been a lights-out closer, and while Strop has had some recent struggles, he…