picture. reporter: this is where buster posey arrived. he understood very early on that he had a responsibility to the community and that night he validated it. reporter: posey was gone in six months climbing the proverbial minor league ladder, then the kid who left his mark in san jose did this in the game s biggest game. the first postseason home run for buster posey. reporter: it was his work behind and at the plate that earned posey the game s highest honor for a rookie. i think it s awesome. it s great. having a more liked guy in the organization. reporter: at the giants dugout store inside valley fair mall, giants gear is what s going in people s stockings for the holidays. the store says on tuesday it will get new merchandise honoring posey. your thoughts on the fact that buster posey was voted rookie of the year. i m not at all surprised. i hadn t heard that but i m glad because he was awesome. reporter: some say this is only the first of many awards