CoreJJ
From Samsung Galaxy's world champions to Team Liquid's LTA titans, CoreJJ brings championship precision to every match.
Jo Yong-in, known professionally as CoreJJ, is a South Korean support player currently competing for Team Liquid in the League of Legends Championship of The Americas (LTA). Before his long tenure in North America, he achieved global fame with Samsung Galaxy, securing the 2017 World Championship title. His career is defined by consistent high-level performance, including a runner-up finish at the 2016 World Championship and an MVP award for the 2020 LCS Summer Split. CoreJJ officially received his green card in February 2022, cementing his status as a permanent fixture in the region while continuing to lead Team Liquid to multiple domestic titles.
Quick Facts
- Born
- 22 June 1994
- Nationality
- South Korean
- Team
- Team Liquid
- Role
- Support
- League
- LCS
- Games
- League of Legends
Lore & Background
CoreJJ’s journey began in South Korea with Samsung Galaxy, where he quickly established himself as an elite competitor. His early career was marked by immediate success on the international stage, including a 3rd-4th place finish at IEM Season XI Gyeonggi and a second-place run at the 2016 League of Legends World Championship. This period culminated in his crowning achievement: winning the 2017 League of Legends World Championship with Samsung Galaxy. His time in Korea also included a 3rd-4th place finish at the 2017 Rift Rivals LCK-LPL-LMS event, proving his ability to perform under pressure across various tournament formats before moving west.
Reader's Guide
CoreJJ stands out as a model of consistency and adaptability for support players transitioning between regions. His career highlights specific moments of triumph, such as winning the MVP award during the 2020 LCS Summer Split, which validated his individual skill alongside team success. Key to his longevity is his ability to secure titles across different formats, from standard splits to special tournament events like the Lock In. His personal milestone of receiving a green card in February 2022 reflects a deep commitment to the North American scene. For aspiring players, his path illustrates that sustained excellence requires not just mechanical skill, but the strategic depth to win championships with Samsung Galaxy and then replicate that success repeatedly with Team Liquid over several years.
Global Dominance with Samsung Galaxy
Before establishing himself in North America, CoreJJ won the 2017 League of Legends World Championship with Samsung Galaxy. His time with the team included a second-place finish at the 2016 League of Legends World Championship and a first-place victory at IEM Season XI Gyeonggi. He also secured runner-up spots at the 2017 Rift Rivals and represented South Korea to a second-place finish at the 2018 Jakarta Palembang Asian Games.
Transforming Team Liquid in North America
Since joining Team Liquid, CoreJJ has led the team to multiple championships. He won the 2019 LCS Spring and Summer splits, followed by runner-up finishes at the 2019 Mid-Season Invitational and 2019 Rift Rivals. His success continued with a first-place finish in the 2021 LCS Lock In, second places in both the 2021 LCS Spring and Summer splits, another Lock In title in 2022, and the 2024 LCS Spring championship.
Individual Recognition and Personal Milestones
CoreJJ was named MVP of the 2020 LCS Summer Split, highlighting his individual impact during that season. On a personal level, he received his green card in February 2022, marking a significant step in his long-term residency within North America.
Enduring Legacy in the Support Role
CoreJJ’s career is defined by winning major titles across two different regions and eras. He transitioned from a World Champion with Samsung Galaxy to a multi-time LCS champion with Team Liquid, maintaining a high level of performance from his arrival through the 2024 season.
More in Leagues & Clubs
Elsewhere in Team Liquid
Spotted an error? Know more?
Reader corrections go straight into our review queue. Suggest an edit · How this site is sourced