There are now four more champions in the free week rotation - The Rift Herald
Free Champion Rotation | Wild Rift - zilliongamer
moobeat on Twitter: "Free rotations are now contained in the League client! The rotations change on Tuesday (rather than a Monday preview) so look out for our post tomorrow when they rotate.
What Day Does League Of Legends Rotation Switch? – Novint
New League Free Champion Rotation: 8 September 2020 - Not A Gamer