Organizer
Tournament edition
Mid-Season Invitational 2017
SK Telecom T1 won MSI 2017, defeating G2 Esports 3–1 in the final. The 13-team event ran from April 28 to May 21, with Play-In matches in São Paulo and the main event in Rio de Janeiro.
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Updated October 28, 2026Competition snapshot
Host and dates
Play-In: São Paulo; main event: Jeunesse Arena, Rio de Janeiro, Brazil · Apr 28–May 21, 2017
Riot announced both host cities; Jeunesse Arena is now Farmasi Arena.[1][2]
Champion
SK Telecom T1 defeated G2 Esports 3–1 in the final.[2]
Combined prize pool
USD 1,690,000
Leaguepedia records the final distributed prize total.[2]
Games
Participant scale
13 teams
Riot expanded the event to include all 13 regional leagues.[1]
CategoryPartnerCommercial note
Category
Organizer
Partner
Riot GamesCommercial note
Tournament organizer · Recorded in the 2017 edition.[1]
Category
Gaming hardware
Partner
Acer PredatorCommercial note
Predator gaming monitor partner through Acer's official LoL esports sponsorship · Recorded in the 2017 edition.[6]
Reach & distribution
Audience
Peak concurrent viewers (Riot-reported)
4.3 million[4]
Riot's reported tournament peak, cited retrospectively by ZDNet Korea alongside MSI 2018's revised audience figures.
Hours watched (Riot-reported)
218 million[4]
Total live-broadcast viewing time for the 2017 event, cited in Riot's 2018 MSI audience announcement.
Peak viewers (Esports Charts tracked streams)
916,334[5]
Separate Esports Charts platform-tracking figure; it is not directly comparable with Riot's reported total.
Distribution
PTG Database Analysis
Riot’s 2017 format expanded MSI to all 13 regional leagues. The Play-In began in São Paulo on April 28, followed by the group and knockout stages in Rio de Janeiro; the main event concluded at Jeunesse Arena on May 21. SK Telecom T1 defeated G2 Esports 3–1 in the final. Leaguepedia records a final prize distribution totaling USD 1,690,000.[1][2]
Riot’s reported peak concurrent audience for MSI 2017 was 4.3 million, with 218 million hours of live-broadcast viewing across the event. ZDNet Korea cited these 2017 figures while covering Riot’s later MSI audience announcement. Esports Charts separately lists 916,334 peak viewers in its tournament index. The records use distinct measurement bases and should not be read as equivalent counts.[4][5]
Acer was the official sponsor and monitor partner for League of Legends esports in 2017. Its Predator gaming monitors were supplied for MSI, connecting the existing Acer Predator brand profile to this edition.[6]
References6
- [1]2017 Mid-Season Invitational Update — Riot Games
- [2]MSI 2017 — Leaguepedia — Leaguepedia
- [3]SKT Wins 2017 MSI — LoL Esports Photos / Riot Games
- [4]2018 LoL MSI, 최고 동시 시청자 1,980만 명 기록 — ZDNet Korea
- [5]LoL Esports Tournaments Statistics for 2026 — Esports Charts
- [6]Acer Named Official Sponsor and Monitor Partner for League of Legends Esports in 2017 — Acer
Commercial opportunities
Official sponsor and monitor partner
Acer named itself the official sponsor and monitor partner for League of Legends esports in 2017 and supplied Predator gaming monitors for MSI.[6]
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