Yuki Tsumori (津森 宥紀, Tsumori Yūki, born January 21, 1998) is a Japanese professional baseball Pitcher for the Fukuoka SoftBank Hawks of Nippon Professional Baseball.

Tsumori went on to Tohoku Fukushi University, and he pitched as a relief pitcher in the 67th Japan National Collegiate Baseball Championship[1] and won the Most valuable player Award.

[2][3] On June 21, 2020, Tsumori debuted in the Pacific League against the Chiba Lotte Marines as a relief pitcher in a bases-loaded, no-out situation and was hit by a Grand slam.

[8] In 2023 season, he finished the regular season as setup man with a 56 Games pitched, a 4–4 win–loss record, a 2.91 ERA, a 22 holds, and a 44 strikeouts in 48.2 innings.

[10][11] This biographical article relating to a Japanese baseball pitcher is a stub.