Champions League talking points: Gyokeres’ Sporting homecoming, Madrid-Bayern, and Arne Slot’s make-or-break night in Paris

Champions League talking points: Gyokeres’ Sporting homecoming, Madrid-Bayern, and Arne Slot’s make-or-break night in Paris Four talking points ahead of the Champions League quarter-finals, featuring Viktor Gyokeres ' return to Sporting and Real Madrid 's hoodoo over Bayern Munich . Gyokeres makes Sporting return Arsenal make the trip to Sporting CP in the Champions League quarter-finals with Viktor Gyokeres making an emotional return to Lisbon. The Swedish striker became a household name at Sporting, where he scored 97 goals in 102 games over just two seasons.

Arsenal won the race to sign Gyokeres last summer and the 27-year-old has improved from a modest start. He's scored 17 goals in all competitions and heads into the clash with five goals in his last three games for club and country. Sporting know more than most the threat that Gyokeres can pose, and stopping him will be key to their chances.

At the other end, the Swede's successor, Luis Suarez, has been in sensational form. Picked up from Segunda División side Almeria in the summer, the Colombian has fired 33 goals in all competitions this season. Can Real Madrid maintain hoodoo over Bayern?

Real Madrid and Bayern Munich meet in a Champions League classic. Two of Europe's most successful sides do battle in the quarter-finals, as a curious quirk continues. The rich heritage of the teams means this is the Champions League's most played fixture, though the sides have never met in a final.