SAN FRANCISCO -- Santiago Casilla spent most of this season and last as the Giants’ closer. Tuesday night, as the Giants tried and failed to hold a three-run lead in the ninth inning of their season-ending loss to the Cubs, Casilla, a veteran of three World Series teams, did not even warm up in the bullpen.
It both spoke to the inconsistency of the Giants’ bullpen this season and foreshadowed what is likely to be a winter of change for a group that has been such a constant under manager Bruce Bochy. The offseason arrived abruptly for the Giants with a 6-5 loss in Game 4 of the N.