Milwaukee's 24-year-old lefty is coming off a historic 2018 and with injuries already hitting the bullpen, the Brewers will be asking even more.
Opinion: Josh Hader is MLB's most valuable pitcher. The Brewers need him to be even better
Milwaukee's 24-year-old lefty is coming off a historic 2018 and with injuries already hitting the bullpen, the Brewers will be asking even more.
