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- This page was created to track Preseason roster changes between the end of the 2017 season (their last competitive game) and the beginning of the 2018. Rosters will not be updated after the 2018 season (Spring) starts. For up to date rosters, please see each team's page.
LCS Starting Rosters[]
 | 100 Thieves | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
 | Clutch Gaming | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
 | Echo Fox | |
|---|---|---|
| 2017 | 2018 | |
| Top | Looper | Huni |
| Brandini | ||
| Jungle | Akaadian | Dardoch |
| Grigne | ||
| Mid | Froggen | FeniX |
| Damonte | ||
| Bot | Keith | Altec |
| Mash | ||
| Support | Gate | Adrian |
 | FlyQuest | |
|---|---|---|
| 2017 | 2018 | |
| Top | Balls | Flame |
| Jungle | Moon | AnDa |
| Mid | Hai | Fly |
| Bot | WildTurtle | |
| Support | LemonNation | Stunt |
 | Golden Guardians | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
 | OpTic Gaming | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
 | Team Liquid | |
|---|---|---|
| 2017 | 2018 | |
| Top | Lourlo | Impact |
| Jungle | Reignover | Xmithie |
| Inori | ||
| Dardoch | ||
| Mid | Pobelter | |
| Mickey | ||
| Bot | Piglet | Doublelift |
| Support | Matt | Olleh |
| KonKwon | ||
 | TSM | |
|---|---|---|
| 2017 | 2018 | |
| Top | Hauntzer | |
| Jungle | Svenskeren | MikeYeung |
| Mid | Bjergsen | |
| Bot | Doublelift | Zven |
| Support | Biofrost | mithy |
Academy Starting Rosters[]
| | 100 Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
 | C9 Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
| | Clutch Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
 | CLG Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | fallenbandit | |
| Jungle | ||
| Mid | Tuesday | |
| Bot | Zag | |
| Support | Fill | |
| | FOX Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
| | FlyQuest Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
| | GG Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
| | OpTic Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
| | TL Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||
| | TSM Academy | |
|---|---|---|
| 2017 | 2018 | |
| Top | ||
| Jungle | ||
| Mid | ||
| Bot | ||
| Support | ||