2019 League of Legends World Championship Reaches 100 Million Viewers
League of Legends World Championship Breaks Record With Over 5 Million Viewers
Worlds 2019 finals had a 2.9 million peak concurrent viewer count - Dot Esports
Value in Western esports: The importance of League and CS:GO - Esports Insider
Escharts: CSGO was the 2nd most watched esport game in 2021 using the hours watched metric. : r/GlobalOffensive
League of Legends' Worlds 2018 was the Most Watched Esports Event in the Game's History
League of Legends World Finals viewing figures 2018 - Strive Sponsorship, UK
eSports
League of Legends Worlds 2019 Breaks the All-Time Peak Concurrent Viewer Count Record on Twitch
Esports Journal - Edition 11 by Sam Cooke - Issuu
Coronavirus has Shown that Esports are Here to Stay – Lex Sportiva