Even after the Black Mist Scandal of 1969-1971, match-fixing suspicions have surfaced sporadically in NPB. This article examines suspicions of game manipulation in professional baseball and the measures against it, with a comparison to the 2011 grand sumo match-fixing scandal.
Allegations of umpire bribery have surfaced again and again in the history of NPB. This article examines the debate over umpires' fairness and the course of institutional reform, from the Black Mist Scandal of the 1960s to the recent problem of blown calls.
While MLB enforces strict drug testing, NPB's program falls far short in random testing frequency, targeted substances, and penalties. Behind the extremely low positive rate lies either inadequate testing or intentional willful blindness.
On March 14, 2016, NPB disclosed that since 2012 many Yomiuri first-team players had exchanged cash in the pregame huddle: the shouter collected ¥5,000 per player after a win and paid ¥1,000 to each after a loss. No penalty followed.
Between 2015 and 2016, four active Yomiuri players were found to have been involved in illegal baseball gambling.
Tracing the story of sign stealing scandals and countermeasures - npb's integrity challenge, from history of sign stealing to ensuring competitive integrity.