Legal & Attribution
Disclaimer
GRANDSLAM is an unofficial fan-made project. It is not affiliated with, endorsed by, or associated with Riot Games, Inc. League of Legends and all related properties are trademarks of Riot Games.
Data Source
Player and team data (tournament results, rosters, awards) are sourced from the Leaguepedia Cargo API.
Player Images
Player images are sourced from Leaguepedia, licensed under CC BY-SA 4.0. Original images and contributors are listed on each player's Leaguepedia page.
Analytics
We use analytics to improve the experience. No personal data is collected or sold.
Rating System
Player OVR ratings are computed from tournament placement (domestic, MSI, Worlds), individual awards (MVP, All-Pro), and editorial adjustments for era fairness. Ratings reflect historical peak performance and are not official Riot metrics.