Buster Posey skipping MLB season for his babies is a huge sacrifice
Major League Baseball links - Buster Posey retires, Tigers add Barnhart - Red Reporter
Buster Posey off to strong start in 2021 season
Nevius: Posey's surprise retirement is understated, typical Buster
Rando Named to Buster Posey National Collegiate Catcher of the Year Watch List - Gonzaga University Athletics
Buster Posey: The Long Goodbye - Last Word On Baseball
Giants' Posey out, Crawford in lineup day after injuries - The San Diego Union-Tribune
Buster Posey Leads Trio of Giants All-Stars - Last Word On Baseball
What excites Giants' Buster Posey most in latest MLB All-Star nod – NBC Sports Bay Area & California
Orioles reset: Like Buster Posey before him, Adley Rutschman showing value of having a two-way catcher
SF Giants: Buster Posey opts out; Joey Bart may not be the answer
Buster Posey opts out of 2020 season - MLB Daily Dish