Posted By:
Brad Green
You're probably right that these were issued in 1932 or 1933. Between 1926 and 1937, Lefty's ERA of 2.84 in 1932 was the highest. So, as you said, not at all significant.
Earned Run Leaders
http://www.baseball-almanac.com/pitching/piera4.shtml
Batting Average Leaders
http://www.baseball-almanac.com/hitting/hibavg3.shtml