Alex Bregman, who signed a three-year deal with the Boston Red Sox in free agency, posted a heartfelt farewell to Astros fans on Friday night.

WEST PALM BEACH, Fla — A new era started in silence, save for the slapping of hands and some tired ballplayers bolting to breakfast. Unopened boxes towered over troves of empty lockers inside a cluttered clubhouse still preparing for most position players to report.

After nine seasons with the Houston Astros, Alex Bregman is leaving to join the Boston Red Sox. While the deal is still not official, the longtime Astros third baseman wrote a message of thanks and an apparent goodbye on social media to the City of Houston,