the Eyeshield 21 manga has sold over 20 million volumes. The manga and anime have been featured at various times in weekly top ten lists of best-selling in their respective media. The anime has been watched by a large number of television viewers in Japan, helping to raise American football's popularity in the country. Publications for manga, anime, and others have commented on Eyeshield 21, which received positive comments for its artwork and characters, and negative responses to its non-football scenes.