Millions' of children have been helped by Buster Posey's cancer

He was a rock': San Francisco Giants honor Buster Posey's retirement during Saturday's game - ABC7 San Francisco

Giants' Buster Posey visits cancer patients

Giants' Buster Posey gets it right again in toughest career decision – NBC Sports Bay Area & California

The Poseys

Giants star Buster Posey sitting out the 2020 season – Santa Cruz Sentinel

AP Source: Giants C Buster Posey will announce retirement

About BP28 — 28: A Photographic Tribute to Buster Posey

The V Foundation for Cancer Research Welcomes New Members to Board of Directors

A Giants surprise for patients at Packard Children's - Stanford Medicine Children's Health BlogHealthier, Happy Lives Blog

Buster Posey ready to move on from baseball, says farewell

Buster & Kristen Posey BP28 – Buster & Kristen Posey in the fight against childhood cancer

Take the Field with Buster Posey and Drive Away with His 2019 Toyota T

Buster Posey raises money for cancer awareness

Thumbs up: Thanks for the memories, Buster