As coach Masaumi Shimizu (清水 将海, Shimizu Masaumi, born January 9, 1975) is a Japanese former professional baseball Catcher, and current the second squad battery coach for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB).

[2] Shimizu went on to Aoyama Gakuin University, where he won the 1996 Japan National Collegiate Baseball Championship with classmates Tadahito Iguchi, Shinji Kurano, and Toshikazu Sawazaki.

[4] Shimizu played only 48 games in the Central League in five and a half seasons with the Dragons, and on June 25, 2010 he was traded to the Fukuoka SoftBank Hawks in exchange for Koji Mise.

[5] In his 15-season career, Shimizu played a total of 683 games, batting .212 with 314 hits, nine home runs, and 119 RBI.

[4] On November 1, 2022, Shimizu announced at a press conference that he will serve as the fourth squad battery coach from the 2023 season.