Nagelsmann, whose sacking in March 2023 led to Tuchel's arrival, was tipped to return to Bayern, but has now extended his contract with Germany until 2026
Ronaldo escaped a ban and will, therefore, be free to face Ajax Amsterdam in the quarter-finals, with the first leg to be played in the Netherlands on April 10.
Ronaldo, who scored a hat-trick as the Italian champions overturned a 2-0 deficit from the first leg to win 3-2 on aggregate against Atletico, gestured towards his groin with two hands.
Atletico coach Diego Simeone had celebrated in a similar way after his team's opening goal in the first leg in the Spanish capital.
The Argentine coach was fined the same amount by UEFA’s Control, Ethics and Disciplinary Committee.
($1 = 0.8806 euros)