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 of The Americas (LTA). He won the 2017 World Championship with Samsung Galaxy. He was named MVP of the 2020 LCS Summer Split. He received his green card in February 2022.

Tournament results

  • 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)

Notes