Alex Bregman is a lot of things.He’s a Gold Glove third baseman. He’s a Silver Slugger at the plate.He’s an All Star. He’s a World Series champion. He’s the Cubs’ $175 million man.But he’s also, sometimes, an impromptu pitching coach.“He’s an outstanding resource, not only for our position players but also for our pitchers. Just an extremely high baseball IQ guy,” relief pitcher Phil Maton told the Sun-Times on Wednesday. “I don’t know if anyone…