There are 40 champions in free champion rotation this week : r/ leagueoflegends
League of Legends: New free champion rotation (Season Three: week 12)
League of Legends Free Champions Rotation This Week (September 27) | Turtle Beach Blog
League of Legends on Twitter: "New free champion rotation: Caitlyn, Ezreal, Trundle, and more! | http://t.co/owlDnGeEY6 http://t.co/QdtkjVExR7" / Twitter
League of Legends - Garena
Free Champion Rotation | Wild Rift - zilliongamer
League of Legends Free Champion Rotation | RiftFeed
League of Legends - Garena
Free week champion rotation history - New data : r/leagueoflegends