WebJapanese. Headquarters. Tokyo & Osaka. Website. www .sanspo .com. Sankei Sports (サンケイスポーツ, Sankei Supōtsu) is a Japanese-language daily sports newspaper published by Sankei Shimbun. In 2014, it had a circulation of 1,270,000. The newspaper is known by its nickname Sanspo (サンスポ, San-Supo) .