2018 Growler Matt "Mash" Mervis is headed to the Big Leagues. The Chicago Cubs have called up Matt Mervis and he will make his MLB debut this weekend. This marks the Growlers 6th player to make the Majors thus far. Congrats Matt!! #mlbdebut #majors #mlb #chicagocubs #cubs #calledup #majorleaguedebut #welcometotheshow #kalamazoo #growlers #rollgrowl #defendforten