Al Ittihad, featuring Cristiano Ronaldo, João Félix and Samú Costa, suffered a 2-1 defeat in their latest match, representing a new setback in their season.
The match marked Ríos' debut for Al Ittihad, who was unable to prevent his new team from suffering the defeat despite joining the squad.
With this loss, Al Ittihad saw rival Al Hilal extend their lead even further at the top of the league, widening the advantage at the summit of the standings.
This defeat worsens the team's situation in the competition, as they continue to struggle to recover ground in the league table.
