Buster Posey makes club history, 10/09/2021
Buster Posey's 18th homer helps Giants to ninth straight win
Buster Posey: Florida State baseball career, stats, highlights, records
Buster Posey's two-run home run, 10/08/2021
Major League Baseball Reaches for Its Stars
What is the Buster Posey rule in MLB, and how is it applied? - AS USA
Buster Posey Career Highlights (Giants all-time great catcher retires)
Buster Posey's Hall of Fame resume heavy on playoff success, light on traditional statistics
Giants' Buster Posey Wins 2021 NL Comeback Player of the Year – NBC Connecticut