Following last week's 2-1 defeat in Switzerland, the Eagles must overturn a one-goal deficit against St. Gallen to keep their Europa League ambitions alive and avoid an early setback that could cast a shadow over the opening weeks of the new campaign.

The first leg was a frustrating introduction to competitive football for Marco Silva's Benfica. Despite controlling possession and creating a few opportunities, the Portuguese side lacked efficiency in both penalty areas. Goals from Aliou Baldé and Tom Gaal gave St. Gallen a deserved victory, while Rafa Silva's strike ensured Benfica remain firmly in the tie. The result was disappointing, but it was far from a collapse. Benfica produced enough positive moments to suggest the outcome could have been very different on another night.

There is also good reason to believe Benfica will be a stronger proposition in Lisbon. The atmosphere at the Estadio da Luz has often played a decisive role during European nights, and the Eagles will be backed by a crowd expecting an aggressive response. The quality gap between the two squads remains significant, and Benfica's home advantage could prove crucial. Pre-match projections continue to favour the Portuguese side despite the first-leg deficit, underlining the belief that qualification remains in their hands.

For Marco Silva, the challenge will be finding the right balance between urgency and control. Benfica cannot afford to become anxious if an early goal does not arrive. The first leg showed that St. Gallen are comfortable defending deep and waiting for opportunities to strike on the counterattack. Patience, combined with greater attacking sharpness, may be the key to turning the tie around.

The stakes extend beyond simply reaching the next qualifying round. Failure to progress would represent a major disappointment for a club of Benfica's stature and would leave the Eagles dropping into the UEFA Conference League pathway rather than continuing their pursuit of Europa League football. While the Conference League has grown in prestige in recent years, it remains a competition that Benfica supporters feel is below the level at which their club should be competing. Expectations at the Luz are built around challenging in Europe's leading tournaments, not settling for a fallback option.

Just as importantly, the result could have a significant impact on the mood surrounding the start of the domestic season. A convincing victory and successful qualification would inject confidence into a squad still adapting to new signings and a new coaching era. It would provide momentum, strengthen belief in Marco Silva's project, and create a more positive atmosphere heading into the opening league fixtures.

Conversely, an early European exit would inevitably raise questions. Pre-season optimism can evaporate quickly when results fail to match expectations, and supporters would view elimination against St. Gallen as an avoidable setback. The pressure on players and coaching staff would increase immediately, making the beginning of the league campaign more complicated than Benfica would have hoped.

Thursday's match is therefore about much more than a place in the next round. It is about confidence, momentum and ambition. Benfica still have 90 minutes to correct the mistakes made in Switzerland, but the response they produce at the Luz could shape the narrative of their season before it has truly begun.