Claim: Sy Rosenthal, an outfielder in Major League Baseball, played for the Boston Red Sox and had a 266 batting average.
Evidence: Simon "Sy" Rosenthal (November 13, 1903 – April 7, 1969) was an outfielder in Major League Baseball who played from 1925 through 1926 for the Boston Red Sox. .266 He was Jewish, and was the first Jewish player on the Red Sox. In a two-season career, Rosenthal was a .266 hitter (95-for-357) with four home runs and 42 RBI in 123 games, including 40 runs, 17 doubles, five triples, five stolen bases and a .319 on-base percentage.