Tatsushi Masuda
Masuda with the Saitama Seibu Lions
Saitama Seibu Lions – No. 14
Pitcher
Born: (1988-04-23) April 23, 1988 (age 35) Sumoto, Hyōgo, Japan
Bats: Right Throws: Right
debut
June 13, 2013, for the Saitama Seibu Lions
NPB statistics (through 2023 season)
Win–loss record	31-38
Earned run average	3.01
Strikeouts	477
Saves	194
Holds	106
Teams
Saitama Seibu Lions (2013–present)
Career highlights and awards
3× NPB All-Star (2015, 2019, 2022) Pacific League Most Valuable Setup Pitcher (2015) 1× Best Battery Award with Catcher Tomoya Mori (2019) Pacific League saves leader (2020)

Tatsushi Masuda (増田 達至, Masuda Tatsushi, born April 23, 1988 in Hyōgo, Hyōgo, Japan) is a Japanese professional baseball pitcher for the Saitama Seibu Lions of Nippon Professional Baseball (NPB).