★13 ☆★✩ mc doing sports

[: BASEBALL]
A weak frame, and financial difficulties, the protagonist Lee Jinyong gave up on his path to being a baseball athlete and lived as a factory employee instead. One day, the spirit of Kim Jinho, the baseball hero who was hailed as a legend in Korea, as well as Lee Jinyong’s idol who passed away 10 years ago, appeared before him.

[: MIXED MARTIAL ARTS]
He feels a strong thrill at the power of ‘Octagon’ that he encounters for the first time. 22-year-old Hwi-sung Lee, who was busy running away after giving up on everything. The moment he climbs into the Octagon, a spectacular flight that no one expected begins.

https://m.webtoons.com/en/sports/king-of-the-octagon/list?title_no=5169