White Sox shortstop Colson Montgomery is blunt about offensive struggles — and determined to get past them

Ever gone to the grocery store hungry? Surely everyone has. ‘‘If you don’t have a plan of what you want to get, you’re gonna [bleeping] go get everything,’’ White Sox shortstop Colson Montgomery said, explaining his recent chasing of pitches out of the strike zone. ‘‘If you have a plan of what you want, you’re probably in and out. That’s what it needs to be for me.’’ Montgomery hit at an All-Star level for much of the time before the All-Star break but has been struggling offensively for a…