Slow start behind him, Alex Bregman piling up big moments, looking capable of carrying Cubs deep into October

SEATTLE — The guy who was getting booed at Wrigley Field earlier this season is now looking capable of carrying the Cubs deep into October. Third baseman Alex Bregman has segued from a slow start to his $175 million free-agent contract to the type of production that earns somebody that kind of money in this game. Since beginning the season batting .235 with seven homers and just a .670 OPS in his first 92 games as a Cub, he came into Friday hitting .306 with nine homers and a .962 OPS in his…