Cubs calling up Matt Mervis, an undrafted slugging first baseman, per report | CBS Sports Headlines Cubs calling up Matt Mervis, an undrafted slugging first baseman, per report Mervis hit 36 homers last season and is hitting well in Triple-A this year ESN FeedsThis post was originally published on this … Continue reading Cubs calling up Matt Mervis, an undrafted slugging first baseman, per report