The Brief Anthony Rizzo, former Chicago Cubs first baseman, will retire and become a team ambassador. He played 10 seasons with the Cubs, winning multiple awards and helping the team win the 2016 World Series. Off the field, Rizzo is known for his philanthropy supporting children with cancer through his foundation. Anthony Rizzo, fan favorite and former longtime Chicago Cubs first baseman, will officially retire this weekend and join the ballclub as a team ambassador. Off the field, Rizzo has been widely recognized for his philanthropy through the Anthony Rizzo Family Foundation, supporting children with cancer.