His nine victories with the Memphis Red Sox in 1925 are the most by a 17 year-old pitcher in Major League baseball history. https://www.seamheads.com/NegroLgs/player.php?playerID=tyler01ste Born in Evansville in 1907, he began his professional pitching career at the young age of 15. William “Steel Arm” Tyler was considered the greatest black pitcher in baseball during his…