Alex Bregman’s homers sign of big second half for Cubs’ third baseman? ‘There’s some good stuff coming’

CINCINNATI – Alex Bregman hit a game-winning home run Saturday night. He followed it up with another clutch blast Sunday, driving in four runs as part of a three-hit day in the Cubs’ 8-4 win. In other words, he did the kind of thing the Cubs envisioned when they signed the two-time World Series champ to a big free-agent contract. On the eve of the All-Star break, this was the production everyone had been waiting for. But that kind of thing didn’t happen with the desired frequency during…