Tchouameni sprained his ankle and was forced off at half-time in Madrid’s 3-1 defeat to AC Milan in the Champions League on Tuesday,

Tuesday will be remembered mostly as a day of upsets in the UEFA Champions League as Real Madrid and Manchester City — Europe's two most recent title holders — both suffered lopsided defeats.

Follow along with all the Champions League matchday action on Nov. 5 with SI Soccer chronicling the moments from Real Madrid vs. AC Milan, Liverpool vs. Leverkusen, Manchester City in action and more live.

Liverpool and Real Madrid are preparing for a possible dispute in the transfer market for Castello Lukeba, currently with RB Leipzig. The solidity and talent of the young center-back have caught the attention of both European giants, who see him as a strategic investment to reinforce their respective defenses in the long term.

European heavyweights Real Madrid and Manchester City both suffered big defeats in the Champions League on Tuesday. Defending champion Madrid was humbled 3-1 at home by AC Milan, while Erling Haaland missed a penalty and City squandered a fourth-minute lead as it lost 4-1 at Sporting Lisbon,