BALTIMORE – Pete Crow-Armstrong had a June for the ages. His next trick? Well, it’s not slowing down. The Cubs’ center fielder is off to the races in July, starting the month 6-for-12 in four games coming into Tuesday. After batting .381 last month, he’s off to a .500 beginning to this month. Yeah, yeah, small sample size. But still. The guy’s on fire. “Obviously,” team president Jed Hoyer said toward the end of June, “he’s not going to play like this the whole season.” Are we sure about that? C