Manchester United should overcome Sevilla and reach the Europa League semi-finals. But 'should' doesn't offer anyone any guarantees.
Erik ten Hag's improving team have a significantly enhanced fear factor this season, while Sevilla are enduring their worst campaign in two decades.
And yet, there will be a nagging doubt at the back of United minds as they prepare to encounter one of their bogey teams over two legs this week and next.
Not only are Sevilla Europa League specialists - with a record six triumphs, the latest coming in 2020 - but they have twice dumped United out of continental competitions in the recent past.