Daisuke Matsuzaka, Japanese baseball player
Daisuke Matsuzaka (松坂 大輔, Matsuzaka Daisuke, [matsɯꜜzaka daꜜisɯ̥ke]; born September 13, 1980) is a Japanese former professional baseball pitcher, who pitched professionally for 23 seasons, 16 of them in NPB, 7 in MLB. He is currently a baseball color commentator, critic, reporter, and YouTuber. Daisuke is nicknamed "The Monster of the Heisei Era" (平成の怪物, heisei no kaibutsu) in Japan and "Dice-K" in the United States by The Boston Globe and USA Today. He played for the Boston Red Sox and New York Mets of Major League Baseball (MLB) and the Saitama Seibu Lions, Fukuoka SoftBank Hawks and Chunichi Dragons of Nippon Professional Baseball (NPB).

Matsuzaka was selected the MVP of the inaugural and the second World Baseball Classic, and is an Olympic bronze medalist.He is the first player to have won both a World Series and a World Baseball Classic.