Andrew Knizner is an American professional baseball catcher whose career has spanned Major League Baseball organizations including the St. Louis Cardinals, Texas Rangers, Arizona Diamondbacks, Washington Nationals, San Francisco Giants, Seattle Mariners, and Colorado Rockies. This tag page collects news, articles, interviews, and updates covering his MLB debut in 2019, his minor league development through the Cardinals’ farm system, his 2018 All-Star Futures Game selection, transactions between clubs, and his seasonal performance as a veteran backup catcher. The page is relevant for readers tracking journeyman catchers, depth chart moves, and roster transactions across MLB.