PHOENIX – San Francisco catcher Buster Posey became the latest well-known player to opt out of the abbreviated 2020 season, joining Dodgers pitcher David Price and Nationals first baseman Ryan Zimmerman on the sidelines.Others like Texas slugger Joey Gallo and San Diego outfielder Tommy Pham provided good news: They can get back on the field after previously testing positive for coronavirus.One week into Major League Baseball's strange summer camp, the constant churn of rosters is one of the few constants.Posey — a six-time All-Star and 2012 NL MVP — said his family finalized the adoption of identical twin girls this week.