Europa and Conference League Referee Roundup: Celta’s Red Card, Panathinaikos’ Late Penalty and the Calls That Shaped Thursday

Thursday’s Europa League and Conference League action did not produce one giant VAR scandal, but it did give us several refereeing moments that changed ties. The clearest Europa results I could verify while compiling this roundup were Aston Villa’s 1-0 win at Lille, Bologna’s 1-1 draw with Roma, Porto’s 2-1 win at Stuttgart, Panathinaikos’ 1-0 win over Real Betis, and Midtjylland’s 1-0 away win at Nottingham Forest. In the Conference League, UEFA officially listed AZ Alkmaar 2-1 Sparta Praha, Shakhtar Donetsk 3-1 Lech Poznań, Strasbourg 2-1 Rijeka and Rayo Vallecano 3-1 Samsunspor, while UEFA club pages also showed Crystal Palace 0-0 AEK Larnaca and Sigma Olomouc 0-0 Mainz.

The biggest disciplinary flashpoint of the night came in Celta vs Lyon. ESPN’s live match page showed Celta leading 1-0 through Javi Rueda when Borja Iglesias was sent off in the 54th minute for a second yellow card, with referee Erik Lambrechts in charge. That matters because this was not a straight-red controversy or a dramatic VAR intervention. It was a classic caution-management moment: if the second foul was judged reckless, the dismissal becomes technically straightforward, even if the timing made it huge for the flow of the tie. Celta then had to defend deep for long stretches, with Lyon dominating possession and piling on pressure.

For The VAR Verdict, the key takeaway from the Celta incident is not outrage but threshold. Second-yellow reds are often more controversial emotionally than legally. Supporters expect a “big” foul for a sending-off, but the Laws do not require that when a player is already on a booking. They only require another cautionable offence. Without better replay angles, it is hard to be absolute, but the available reporting does not suggest an obvious refereeing error. It looks more like a strict but supportable application of Law 12 than a major injustice.

The most important game-changing sequence came in Panathinaikos vs Real Betis, overseen by Szymon Marciniak. Reuters reported that Panathinaikos, despite being reduced to ten men, still won 1-0 thanks to Vicente Taborda’s 88th-minute penalty, while ESPN’s match log shows Diego Llorente dismissed in the 86th minute and Taborda’s penalty arriving two minutes later. That is exactly the kind of late collapse that transforms a knockout tie: one disciplinary decision, one penalty, one swing in emotional control. Even before arguing about softness or severity, the fact pattern is what matters most here — Marciniak ended up making two decisive late calls in a match that had been level until the closing stages.

Another significant Europa moment came in Stuttgart 1-2 Porto under Donatas Rumšas. Reuters reported that Stuttgart had a goal ruled out for offside, and ESPN’s match page confirms Porto’s 2-1 away win. This was not the loudest decision of the night, but it may prove one of the most important for the tie because it kept Porto in front on aggregate terms heading into the return leg. In knockout football, correctly judged offsides often create less noise than penalties or red cards, but they can be just as decisive.

At Lille vs Aston Villa, the refereeing theme was almost the opposite: not intervention, but restraint. The Guardian’s live report said Lille had penalty appeals waved away, while ESPN lists José María Sánchez Martínez as referee. That is worth noting because a quiet officiating performance can be just as valuable as a dramatic one in Europe. Villa left with a 1-0 win, and there is no strong evidence from the reports I checked that the referee missed a major game-breaking incident.

The Conference League felt calmer from an officiating perspective. The confirmed early results were AZ’s 2-1 win over Sparta Praha, Shakhtar’s 3-1 win at Lech Poznań, Strasbourg’s 2-1 win at Rijeka and Rayo Vallecano’s 3-1 win at Samsunspor. In that Samsunspor-Rayo match, ESPN’s live data showed four yellow cards for Samsunspor and two for Rayo under a physical but manageable refereeing profile rather than a chaos game. That is often what separates the Europa League from the Conference League on nights like this: fewer headline controversies, more matches decided by control and discipline.

There were also signs that the later Conference ties were defined more by tension than scandal. UEFA club pages showed Crystal Palace 0-0 AEK Larnaca and Sigma Olomouc 0-0 Mainz, while UEFA’s AEK Athens page showed a surprising 3-1 defeat at Celje. In other words, several Conference first legs stayed alive without a major refereeing storm taking over the conversation. That matters for a site like The VAR Verdict because not every European night needs a “robbery” narrative. Sometimes the real story is that the officials kept control and let the tie breathe.

So the strongest verdict from Thursday is this: the Europa League delivered the sharper refereeing drama, while the Conference League mostly delivered controlled, lower-noise first legs. Celta’s second-yellow dismissal, Panathinaikos’ late penalty sequence and Stuttgart’s disallowed goal were the clearest officiating moments that genuinely changed the shape of their ties. Everything else sat a level below that — important, but not explosive. For Discover, that is the right angle: not fake outrage, but real moments that actually moved European knockout football.