Watch Giants' Buster Posey surprise kids batting childhood cancer
One more time for The Infield
Buster Posey Champions Pediatric Cancer Awareness - SI Kids
Buster Posey honored by Giants in pre-game ceremony
Cardboard appreciation: 1981 Topps 1980 NL Championships
Millions' of children have been helped by Buster Posey's cancer
Enter this Buster Posey Fund contest to help the UCSF Benioff
Brush with greatness: Sean Casey
Giants catcher Buster Posey brightens day at pediatric cancer ward
Buster Posey