Reigning Cy Young Award winner Corbin Burnes was so dominant that the Brewers right-hander had the Giants on the ropes from the first pitch of Monday’s game in Milwaukee. But when Burnes tired, it was rookie center fielder Luis González who sent him packing. González provided the first key punch against the Brewers, Joc Pederson chimed in with the crippling blow and González returned for the knockout against Milwaukee. Even against one of the best pitchers in the majors, eight Giants bullpen arms and two late home runs provided enough for San Francisco to cap off an 11-game road trip with a 4-…