Jo Yong-in (Korean: 조용인), better known as CoreJJ, is a South Korean League of Legends player who is the support for Team Liquid of the League of Legends Championship Series (LCS).^[1][2] He won the 2017 World Championship with Samsung Galaxy. He was named MVP of the 2020 LCS Summer Split.^[1][3] He received his green card in February 2022.^[4]

Quick Facts Current team, Team ...

CoreJJ
Jo in 2015
Current team
Team	Team Liquid
Role	Support
Games	League of Legends
League	LCS
Personal information
Name	Jo Yong-in
Born	(1994-06-22) 22 June 1994 (age 29)
Nationality	South Korean
Team history
2014–2015	Dignitas
2015–2017	Samsung Galaxy
2017–2018	Gen.G[lower-alpha 1]
2018–present	Team Liquid
Career highlights and awards
World champion (2017) 3× LCS champion 2× LCS MVP 6× LCS All–Pro First Team 2× LCS Lock in Champion IEM champion (2016)
Medal record Esports Representing  South Korea Asian Games 2018 Indonesia

Close

• 1st - IEM Season XI Gyeonggi (Samsung Galaxy)
• 2nd - 2016 League of Legends World Championship (Samsung Galaxy)
• 2nd - 2017 Rift Rivals (Samsung Galaxy)
• 1st - 2017 League of Legends World Championship (Samsung Galaxy)
• 2nd - 2018 Jakarta Palembang Asian Games (South Korea)
• 1st - 2019 LCS Spring (Team Liquid)
• 2nd - 2019 Mid-season invitational (Team Liquid)
• 2nd - 2019 Rift Rivals (Team Liquid)
• 1st - 2019 LCS Summer (Team Liquid)
• 1st - 2021 LCS Lock In (Team Liquid)
• 2nd - 2021 LCS Spring (Team Liquid)
• 2nd - 2021 LCS Summer (Team Liquid)
• 1st - 2022 LCS Lock In (Team Liquid)
• 1st - 2024 LCS Spring (Team Liquid)