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Team Coast Coach Alex Penn tweeted today that the North American LCS will be played on patch 4.1 this week. Rengar will be enabled, but Yasuo, who was starting to gain a little more popularity, will be banned.
Week 2 NA #LCS will be on Patch 4.1 Rengar is BACK! Yasuo is DISABLED.
— Alex Penn (@alexpenn) January 22, 2014
There is no word whether the EU LCS will be following suit.
Image Credit: Riot Games