SI Champions League is a retired Chrome extension developed by Are You Watching This?! It provided live scores, news, standings, and videos for the UEFA Champions League from Sports Illustrated. However, this extension is no longer active and has been officially retired.

As a Chrome extension, SI Champions League aimed to keep users updated with the latest happenings in the UEFA Champions League. It allowed users to access live scores, stay informed with news articles, check out the standings, and even watch videos related to the tournament.

Unfortunately, SI Champions League is no longer available for use. Users are advised to visit si.com for the most up-to-date scores, news, and information about all their favorite sports.