Jo Yong-in 
South Korea
Team Liquid
Team-high assist total
March 15, 2019
CoreJJ ended Sunday's win over GGS with a 1/1/14 KDA as Tahm Kench.
CoreJJ helped take down Golden Guardians in one-sided fashion, ending Week 7 of the LCS with a win. The support was involved in 15 of 22 kills, tying for the second highest kill participation on the team. He gave away only one death, while his 14 assists led Team Liquid in the win.
Ends week with win
March 8, 2019
CoreJJ ended Sunday's win over CLG with a 1/1/6 KDA as Tahm Kench.
CoreJJ helped Team Liquid end Week 6 with a win as they took out CLG on Sunday. The support was involved in seven of 11 kills, tying for the third highest kill participation on the team. His one kill tied for the team-low, while his six assists tied for the second highest figure.
Playmaking Tahm Kench
February 28, 2019
CoreJJ ended Saturday's win over Echo Fox with a 0/1/7 KDA as Tahm Kench.
CoreJJ made plays around the map, utilizing Tahm Kench's near-global ultimate to roam freely. The support was involved in seven of ten kills, ending with the third highest kill participation on the team. He had no kills, while his seven assists were the second highest total in the win.
Leads Liquid in assists
February 26, 2019
CoreJJ ended Sunday's win over 100T with a 0/0/6 KDA as Tahm Kench.
CoreJJ helped Team Liquid close out the week with a win with an unkillable game on Tahm Kench. He was involved in six of eight kills, tying for the team-high in kill participation. He had no kills or deaths, while his six assists were the team-high in the win.
100% kill participation in loss
February 21, 2019
CoreJJ ended Sunday's loss to TSM with a 0/3/4 KDA as Alistar.
CoreJJ fell for the first time in North America as TSM took out Team Liquid on Sunday. The support was involved in all four kills, tying for the team-high in kill participation. He led Team Liquid with four assists, while dying three times in the loss.
Makes his mark on NA
January 27, 2019
CoreJJ earned a 0/4/12 KDA on Braum during his team's victory over Cloud 9 on Saturday.
Throughout his team's dominant victory, CoreJJ was able to have a huge impact that assisted his team massively. After helping build up a lead in the bottom lane, CoreJJ began roaming around to to extend the lead elsewhere. This proved to be just what his team needed as he provided the support and vision necessary for TL to take teamfights time and again, picking up more and more kills. Never slowing down, CoreJJ used his ultimate to engage crucial fights, allowing TL to dominate a final teamfight and secure a 36-minute victory.
Aligns with Team Liquid
November 21, 2018
CoreJJ will join Team Liquid, Jacob Wolf of ESPN reports.
Well that didn't take long. Just three days after failing to see his contract renewed with Gen.G, the 2017 world champion immediately found sanctuary with a North American roster, replacing Olleh who at times seemed to clash with AD carry Doublelift. This will be CoreJJ's second stint in the NA LCS as the Korean-born player last played in the region during the 2015 Spring Split.
Free Agent
Leaves Gen.G
November 19, 2018
CoreJJ has become a free agent after his contract with Gen.G expired.
CoreJJ will end the year as a free agent after his contract with Gen.G was not renewed. The former AD Carry turned support helped Gen.G win the 2017 World Championships and should find opportunities not too difficult to come by, despite a poor end to the 2018 season.
Masterful initiations and vision control in win
September 14, 2018
CoreJJ earned a series KDA of 2/7/24 during his team's 3-2 series win over SKT.
Much like the rest of his team, CoreJJ was able to hold his own throughout the entire series against SKT. Although he had a pair of rough games to kick off the series, CoreJJ was able to recover nicely and show signs of life in the first pair of defeats. Finding his team at a 1-2 deficit, he opted to go for Braum for the final two games of the series. Dying only a single time across the games while simultaneously participating in the vast majority of his team's kills, CoreJJ was able to provide the crowd control his team needed to dominate skirmishes. Focusing on vision control as well, he was able to set up roams and favorable exchanges for his team, leading to dominant teamfights and full control of objectives. As a result of his strong play, Generation G was able to mount a comeback, winning Game 4 and Game 5 of the series, closing things out 3-2 to eliminate SKT from World Championship contention.
Provides crucial engage in win
August 1, 2018
CoreJJ earned a series KDA of 1/1/9 KDA over two Alistar games against BBQ Olivers.
Throughout the entire series against BBQ, CoreJJ had amazing showings on Alistar. Consistently able to land his combos on key members of the enemy team, he brought his team the engagements they needed to gain early-game leads and run away with skirmishes. Time and again he was able to throw himself on the enemy team, allowing Gen.G. to decimate the enemy team time and again. This trend continued throughout the series with CoreJJ easily focusing down the key members of BBQ. As a result, his team had free reign of the map and secured back-to-back victories in convincing fashion. With the wins, his team was able to take a 2-0 series sweep with ease.
Roughed around in bottom lane
July 2, 2018
CoreJJ tallied a 0/6/4 KDA in Gen.G's 2-0 loss to the Afreeca Freecs on Sunday.
With CoreJJ and Ruler losing this bottom lane from the very start, there was no chance to CoreJJ to do anything to help his teammates at all. He may have had a playmaker like Rakan and a stalwart like Taric, but when you're down in lane, that means just about nothing. It's back to the drawing board here for Gen.G during the Rift Rivals break.
To partner Ruler for Team Korea
June 1, 2018
CoreJJ will join the roster of Team Korea for the 2018 Asian Games as the starting support.
CoreJJ joins his duo partner from KSV, Ruler, in the bottom lane for a stacked Team Korea roster. CoreJJ struggled during the Spring Split, finishing eighth in KDA and assists among supports. That said, CoreJJ and Ruler have proven to be a strong pairing over time, including during their 2017 World Championship run.
Plays well during Game 1
February 27, 2018
CoreJJ finished Tuesday's sweep to Afreeca with a 0/3/5 total KDA.
CoreJJ ended Game 1 with a 0/1/4 KDA as Braum. He was involved in four of five kills, finishing behind Ambition for the second-highest assist total in the game. In Game 2, CoreJJ used Taric and earned a 0/2/1 KDA. He had an assist on KSV's lone kill as Afreeca closed out the sweep.
Plays well during series sweep
February 23, 2018
CoreJJ finished Wednesday's sweep of KDM with a 2/2/17 total KDA.
CoreJJ ended Game 1 with a 0/2/7 KDA as Braum. He was involved in seven of 13 kills, tying CuVee for the team-high assist total in Game 1. In Game 2, CoreJJ earned a 2/0/10 KDA as Tahm Kench. He was unkillable, ending the game involved in all but one kill to lead the team in kill participation and assists. CoreJJ finished with the team-high kill participation total, ending the series involved in 19 of 26 kills.
Preserves KDA in series loss
February 6, 2018
CoreJJ finished KSV's 1-2 loss to ROX with a 3/2/12 combined KDA.
CoreJJ ended Game 1 with a 3/1/3 KDA as Rakan. He was involved in all but one kill, leading KSV in kills during Game 1. In Game 2, CoreJJ played Taric and earned a 0/1/9 KDA. He had 100 percent kill participation, leading KSV with nine assists. Using Braum in the final game, CoreJJ finished with a 0/0/0 KDA. He wasn't involved in KSV's lone kill as ROX finished the upset.
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