Announcement of Sponsorship Agreement with Athlete Kotaro Tsunematsu
Mitsuuroko Group has signed a sponsorship agreement with Kotaro Tsunematsu, who has joined the MLB's Chicago Cubs. The partnership focuses on athletic support and community/next-gen engagement.
📋 Article Processing Timeline
- 📰 Published: May 27, 2026 at 00:00
- 🔍 Collected: May 26, 2026 at 15:31
- 🤖 AI Analyzed: May 26, 2026 at 15:56 (24 min after Collected)
Mitsuuroko Group Holdings Co., Ltd. has announced an agreement to sponsor Kotaro Tsunematsu, who signed a minor league contract with the Chicago Cubs of Major League Baseball (MLB).
Tsunematsu began playing baseball in first grade and spent his elementary school years from fourth to sixth grade in New York, USA. At Keio Shonan Fujisawa Junior and Senior High School, he led the team as captain. At Keio University, he made his debut in the Tokyo Big6 Baseball League in the spring of his third year and was appointed as the cleanup hitter in the spring of his fourth year.
He signed a minor league contract with the MLB's Chicago Cubs in January 2026. Mitsuuroko Group decided on this partnership based on deep empathy for Tsunematsu's stance of challenging himself on the global stage, as well as his character, which combines athletic prowess with intelligence and internationality. Moving forward, in addition to supporting his athletic activities, we will work together to share the values and significance of sports with local communities and the next generation through various initiatives and outreach.
[Profile of Kotaro Tsunematsu]
- Date of Birth: October 27, 2003
- Height: 185cm, Weight: 96kg
- Throw/Bat: Right/Right
- Position: Outfielder
- Graduated from Keio University Faculty of Law, March 2026
Tsunematsu began playing baseball in first grade and spent his elementary school years from fourth to sixth grade in New York, USA. At Keio Shonan Fujisawa Junior and Senior High School, he led the team as captain. At Keio University, he made his debut in the Tokyo Big6 Baseball League in the spring of his third year and was appointed as the cleanup hitter in the spring of his fourth year.
He signed a minor league contract with the MLB's Chicago Cubs in January 2026. Mitsuuroko Group decided on this partnership based on deep empathy for Tsunematsu's stance of challenging himself on the global stage, as well as his character, which combines athletic prowess with intelligence and internationality. Moving forward, in addition to supporting his athletic activities, we will work together to share the values and significance of sports with local communities and the next generation through various initiatives and outreach.
[Profile of Kotaro Tsunematsu]
- Date of Birth: October 27, 2003
- Height: 185cm, Weight: 96kg
- Throw/Bat: Right/Right
- Position: Outfielder
- Graduated from Keio University Faculty of Law, March 2026
FAQ
Who did Mitsuworo Group sponsor?
Hirotajo Tokimatsu, who is a graduate of Keio University and signed a minor league contract with MLB Chicago Cubs.
What is Hirotajo Tokimatsu's background?
He spent 4th to 6th grade in New York, attended Keio University Shonan Fujisawa Junior and Senior High School, and graduated from Keio University Law Department in March 2026.
What is the main purpose of this sponsorship agreement?
To support athletic activities, initiatives for the community and the next generation, and to share the value of sports and the significance of taking on challenges through information dissemination.
When did Hirotajo Tokimatsu sign with MLB Chicago Cubs?
He agreed to a minor league contract in January 2026.
Why did Mitsuworo Group Holdings support Tokimatsu?
Because they deeply empathized with his attitude of challenging the world from Japan, as well as his character, which combines not only athletic ability but also intelligence and international perspective.