Given the dearth of left-handed options the Cubs had available in their farm system, Joe Maddon was counting on second-year southpaw Randy Rosario to not only make the 2019 roster, but to eat up quality innings over the course of the season. Rosario has officially accomplished the first part of that series of goals, as he just barely snuck on to Chicago's Opening Day roster. Rosario wins the final spot in Cubs bullpen. So for Opening Day, it'll be: Strop Edwards Cishek Montgomery Brach...
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