 In an 11-season career, Berres was a .216 hitter with three home runs and 78 runs batted in in 561 games played.After serving as a bullpen catcher for the Boston Braves (1947) and a coach for the Triple-A Milwaukee Brewers (1948), Berres was the pitching coach for the Chicago White Sox for nearly two decades (1949 through 1966, then midseason of 1968 through 1969), primarily under manager López.During that time, he was a member of the American League champions.