Harry Edwin Heilmann (August 3, 1894 – July 9, 1951), nicknamed “Slug,” was a Major League Baseball player who played 17 season with the Detroit Tigers (1914, 1916-1929) and Cincinnati Reds (1930, 1932). Heilmann was a line-driver hitter who won four American League batting crowns in 1921, 1923, 1925, and 1927. He and Ted Williams are the last two American League players to hit .400, Heilmann having accomplished the feat in 1923 with a batting average of .403. Heilmann’s career batting average of .342 is the 12th highest in Major League history.. Heilmann was also an excellent slugger, ranking among the American League leaders in both slugging percentage and RBIs in 12 seasons. He is among the all-time Major League leaders in doubles with 542 (23rd all-time), triples with 151 (49th all-time) and RBIs with 1,539 (39th all-time). Heilmann played in 2,148 Major League games, including 1,518 as a right fielder and 448 as a first baseman. Heilmann was also the first player to hit a home run in every Major League ballpark in use during his career. Heilmann was elected to the Baseball Hall of Fame in 1952.