By the end of the 19th century gambling was illegal in most jurisdictions, but that did not stop its widespread practice. Boxing soon became rife with fighters "taking a dive", likely due to boxing being a sport involving individual competitors, which makes its matches much easier to fix without getting caught. Baseball also became plagued by match fixing despite efforts by the National League to stop gambling at its games. Matters finally came to a head in 1919 when eight members of the Chicago White Sox threw the World Series (see Black Sox Scandal). In an effort to restore confidence, Major League Baseball established the office of the Commissioner of Baseball, and one of Kenesaw Mountain Landis's first acts was to ban all involved players for life.