When the Japan Professional Soccer League was established, he insisted that each football club should put each company's name on the football clubs. Usually, in Europe and the United States, each professional team or club put each city's name on the team. In August 2004, Watanabe resigned as Yomiuri Giants president after it was revealed that the Giants baseball club had violated scouting rules by paying ¥2 million to pitching prospect Yasuhiro Ichiba. Ten months later, Watanabe was hired as chairman of the Yomiuri Giants.
- Kelly, Tim (May 17, 2009). "Samurai Of Print". Forbes. Retrieved August 28, 2010.
- Borden, Sam (March 5, 2006). "WORLD OF HURT. Hideki's choice not to play for Japan could cost him". Daily News. Retrieved August 28, 2010.
- Kyodo News, "Giants ax Kiyotake after vocal Watanabe slight", Japan Times, 19 November 2011, p. 16.
- Shadow Shogun Steps Into Light, to Change Japan. The New York Times, February 11, 2006.
- Tsuneo Watanabe named Cannes 2007 Media Person of the year
- Baseball Reference Bullpen Article
- The Most Powerful Publisher You’ve Never Heard of.'The Economist, November 14, 2007.
|This Japanese business–related biographical article is a stub. You can help Wikipedia by expanding it.|