Masato Yoshii

Masato Yoshii
吉井理人
Masato Yoshii; 吉井理人
	Yoshii with the Chiba Lotte Marines
Chiba Lotte Marines – No. 81
	Pitcher / Coach / Manager
	Born: April 20, 1965 (age 59); Aridagawa, Wakayama, Japan
	Batted: Right Threw: Right
Professional debut
	NPB: September 16, 1985, for the Kintetsu Buffaloes
	MLB: April 5, 1998, for the New York Mets
Last appearance
	NPB: 2007, for the Chiba Lotte Marines
	MLB: September 11, 2002, for the Montreal Expos
NPB statistics
Win–loss record	89–82
Earned run average	3.86
Strikeouts	763
MLB statistics
Win–loss record	57-25
Earned run average	4.62
Strikeouts	447
	Stats at Baseball Reference
Teams
	As player Kintetsu Buffaloes (1985–1994); Yakult Swallows (1995–1997); New York Mets (1998–1999); Colorado Rockies (2000); Montreal Expos (2001–2002); Orix BlueWave/Orix Buffaloes (2003–2007); Chiba Lotte Marines (2007); As coach Hokkaido Nippon-Ham Fighters (2008–2012); Fukuoka SoftBank Hawks (2015); Hokkaido Nippon-Ham Fighters (2016–2018); Chiba Lotte Marines (2019–2021); As Manager Chiba Lotte Marines (2023–present);

Masato Yoshii (吉井理人, Yoshii Masato, born April 20, 1965), nicknamed "Oiyan",^[1] is a retired Japanese professional baseball player, former pitching coach and current manager for the Chiba Lotte Marines of Nippon Professional Baseball (NPB). He pitched in Major League Baseball from 1998 to 2002.

^ "ニックネーム". 千葉ロッテマリーンズオフィシャルサイト「マリンフェスタ」特設サイト (in Japanese). Retrieved April 23, 2019.

Masato Yoshii 吉井理人
Yoshii with the Chiba Lotte Marines
Chiba Lotte Marines – No. 81
Pitcher / Coach / Manager
Born: (1965-04-20) April 20, 1965 (age 59) Aridagawa, Wakayama, Japan
Batted: Right Threw: Right
Professional debut
NPB: September 16, 1985, for the Kintetsu Buffaloes
MLB: April 5, 1998, for the New York Mets
Last appearance
NPB: 2007, for the Chiba Lotte Marines
MLB: September 11, 2002, for the Montreal Expos
NPB statistics
Win–loss record	89–82
Earned run average	3.86
Strikeouts	763
MLB statistics
Win–loss record	57-25
Earned run average	4.62
Strikeouts	447
Stats at Baseball Reference

Teams
As player Kintetsu Buffaloes (1985–1994) Yakult Swallows (1995–1997) New York Mets (1998–1999) Colorado Rockies (2000) Montreal Expos (2001–2002) Orix BlueWave/Orix Buffaloes (2003–2007) Chiba Lotte Marines (2007) As coach Hokkaido Nippon-Ham Fighters (2008–2012) Fukuoka SoftBank Hawks (2015) Hokkaido Nippon-Ham Fighters (2016–2018) Chiba Lotte Marines (2019–2021) As Manager Chiba Lotte Marines (2023–present)