Milwaukee – Some games defy explanation. The Giants played a few of those in Chicago over the weekend. Others are easy to reconcile. Two teams play good, tight baseball until a single event decides it. So it was at Miller Park on Wednesday night, where the Brewers beat the Giants 4-3 on a one-out, bases-loaded single in the ninth by Blake Lalli, a 29-year-old rookie, against Santiago Casilla.