# 2017 Mid-Season Invitational

The 2017 Mid-Season Invitational was the third annual League of Legends Mid-Season Invitational (MSI) tournament, hosted by Riot Games. The tournament was held from April 28 to May 21, 2017, in Brazil. This was the first time MSI had been extended. Each of 13 premier League of Legends leagues had a team that won the Spring Split represent them; Europe (EU LCS), South Korea (LCK), and China (LPL) had their teams automatically admitted into the main event whereas the other 10 leagues competed among each other in a "Play-in Stage" with the top 3 teams advancing to join the main event.
SK Telecom T1 from South Korea successfully defended their championship from the previous year, defeating G2 Esports 3–1 in the final.

## Qualified teams

Based on the result of the MSI and World Championship in 2 years before (2015–2016), 3 teams from Europe (EU LCS), South Korea (LCK), and China (LPL) are started in Main Group stage, 2 teams from North America (NA LCS) and Taiwan/Hong Kong/Macau (LMS) are started in Play-in round 2, and instead of the Mid-Season International Wildcard Invitational in 2015–2016, 8 teams from Wildcard regions are started in Play-in round 1.
| Region | League | Team | ID |
| Start in Main Group stage ||||
| China | LPL | Team WE | WE |
| Europe | EU LCS | G2 Esports | G2 |
| South Korea | LCK | SK Telecom T1 | SKT |
| Start in Play-in round 2 ||||
| North America | NA LCS | Team SoloMid | TSM |
| Taiwan/Hong Kong/Macau | LMS | Flash Wolves | FW |
| Start in Play-in round 1 ||||
| Brazil | CBLOL | RED Canids | RED |
| CIS | LCL | Virtus.pro | VP |
| Japan | LJL | Rampage | RPG |
| Latin America North | LLN | Lyon Gaming | LYN |
| Latin America South | CLS | Isurus Gaming | ISG |
| Oceania | OPL | Dire Wolves | DW |
| Vietnam►Southeast Asia | VCS►GPL | GIGABYTE Marines | GAM |
| Turkey | TCL | SuperMassive eSports | SUP |

## Venues

São Paulo and Rio de Janeiro were the two cities chosen to host the competition.
Brazil :
| São Paulo | Rio de Janeiro |
| Play-in Stage | Main Event |
| CBLoL Studio | Jeunesse Arena |
| Capacity: | Capacity: 15,430 |
| São PauloRio de Janeiro ||

## Play-In Stage
### Groups

First place teams of each group advance to round 2 of the stage

#### Group A

| Pos | Team | Pld | W | L | PCT | Qualification |
| 1 | SuperMassive eSports | 6 | 5 | 1 | 0.833 | Advance to Play-In Knockouts |
| 2 | Red Canids Corinthians | 6 | 4 | 2 | 0.667 | |
| 3 | Dire Wolves | 6 | 2 | 4 | 0.333 | |
| 4 | Rampage | 6 | 1 | 5 | 0.167 | |

#### Group B

| Pos | Team | Pld | W | L | PCT | Qualification |
| 1 | GIGABYTE Marines | 6 | 5 | 1 | 0.833 | Advance to Play-In Knockouts |
| 2 | Lyon Gaming | 6 | 4 | 2 | 0.667 | |
| 3 | Virtus.pro | 6 | 2 | 4 | 0.333 | |
| 4 | Isurus Gaming | 6 | 1 | 5 | 0.167 | |

### Knockouts

Winners of the series advance to group stage. Losers drops to round 3.
GIGABYTE Marines advance to group stage by beating SuperMassive eSports 3–1. GPL of Southeast Asia gets directly spot in Main Group Stage for Summer Split winner and additional spot in Play-in Stage for Summer Split Runner-up at 2017 World Championship.
| Round 2 | Round 2 | Round 2 | Round 3 | Round 3 | Round 3 |
| Winner to Group Stage | Winner to Group Stage | Winner to Group Stage | | | |
| Team SoloMid | Team SoloMid | 3 | | | |
| Team SoloMid | Team SoloMid | 3 | Winner to Group Stage | Winner to Group Stage | Winner to Group Stage |
| GIGABYTE Marines | GIGABYTE Marines | 2 | Winner to Group Stage | Winner to Group Stage | Winner to Group Stage |
| GIGABYTE Marines | GIGABYTE Marines | 2 | GIGABYTE Marines | GIGABYTE Marines | 3 |
| Winner to Group Stage | Winner to Group Stage | Winner to Group Stage | GIGABYTE Marines | GIGABYTE Marines | 3 |
| Winner to Group Stage | Winner to Group Stage | Winner to Group Stage | SuperMassive eSports | SuperMassive eSports | 1 |
| Flash Wolves | Flash Wolves | 3 | SuperMassive eSports | SuperMassive eSports | 1 |
| SuperMassive eSports | SuperMassive eSports | 0 | | | |

## Group stage

| Pos | Team | Pld | W | L | PCT | Qualification |
| 1 | SK Telecom T1 | 10 | 8 | 2 | 0.800 | Advance to Knockout Stage |
| 2 | Team WE | 10 | 7 | 3 | 0.700 | Advance to Knockout Stage |
| 3 | G2 Esports | 10 | 4 | 6 | 0.400 | Advance to Knockout Stage |
| 4 | Flash Wolves | 11 | 5 | 6 | 0.455 | Advance to Knockout Stage |
| 5 | Team SoloMid | 11 | 4 | 7 | 0.364 | |
| 6 | GIGABYTE Marines | 10 | 3 | 7 | 0.300 | |
* ↑ After the group stage G2 Esports was in a three way tie with Team SoloMid and Flash Wolves. The tiebreaker procedure put G2 Esports in third place as they had the best combined record (3–1) against the other two teams.

## Knockout stage

* The 1st-place team plays with the 4th-place team, The 2nd-place team plays with the 3rd-place team in semifinals.
* All matches are Best-of-five.
| Semifinals | Semifinals | Semifinals | Final | Final | Final |
| May 19 | May 19 | May 19 | | | |
| SK Telecom T1 | SK Telecom T1 | 3 | | | |
| SK Telecom T1 | SK Telecom T1 | 3 | May 21 | May 21 | May 21 |
| Flash Wolves | Flash Wolves | 0 | May 21 | May 21 | May 21 |
| Flash Wolves | Flash Wolves | 0 | SK Telecom T1 | SK Telecom T1 | 3 |
| May 20 | May 20 | May 20 | SK Telecom T1 | SK Telecom T1 | 3 |
| May 20 | May 20 | May 20 | G2 Esports | G2 Esports | 1 |
| Team WE | Team WE | 1 | G2 Esports | G2 Esports | 1 |
| G2 Esports | G2 Esports | 3 | | | |

## Ranking

| Place | League | Teams | PS1 | PS2 | PS3 | GS | SF | Final |
| 1st | LCK | SK Telecom T1 | | | | 8–2 | 3–0 | 3–1 |
| 2nd | EU LCS | G2 Esports | | | | 4–6 | 3–1 | 1–3 |
| 3rd–4th | LPL | Team WE | | | | 7–3 | 1–3 | |
| 3rd–4th | LMS | Flash Wolves | | 3–1 | | 4–6 | 0–3 | |
| 5th | NA LCS | Team SoloMid | | 3–2 | | 4–6 | | |
| 6th | VCS►GPL | GIGABYTE Marines | 5–1 | 2–3 | 3–1 | 3–7 | | |
| 7th | TCL | SuperMassive e-Sports | 5–1 | 0–3 | 1–3 | | | |
| 8–9th | CBLOL | RED Canids | 4–2 | | | | | |
| 8–9th | LLN | Lyon Gaming | 4–2 | | | | | |
| 10–11th | LCL | Virtus.pro | 2–4 | | | | | |
| 10–11th | OPL | Dire Wolves | 2–4 | | | | | |
| 12–13th | LJL | Rampage | 1–5 | | | | | |
| 12–13th | CLS | Isurus Gaming | 1–5 | | | | | |