San Francisco Giants catcher Buster Posey, a seven-time All-Star, will announce his retirement on Thursday, according to sources. The 34-year-old will walk into the sunset after a decorated 12-year career that saw him win the 2010 National League Rookie of the Year, the 2012 NL MVP, four Silver Slugger awards, one Gold Glove and an NL batting title. Posey also helped San Francisco win the World Series in 2010, 2012 and 2014. After struggling at the plate in 2018 and 2019, Posey took the year ...