High Quality Content by WIKIPEDIA articles! Walter Anton Berger (October 10, 1905 November 30, 1988) was an American center fielder in Major League Baseball who played for four National League teams, primarily the Boston Braves. ONe of the league's top sluggers of the early 1930s, in his initial 1930 season he hit 38 home runs, a record for rookies which stood until 1987. HE still holds a share of the NL record. HE also led the league in home runs and runs batted in in 1935, and went on to become the seventh NL player to hit 200 career home runs.