Three Goals from Corners: The Tactical Lesson Behind Fortuna Sittard's 1-5 Defeat to Ajax

I rewound the footage of Fortuna Sittard against Ajax at 4 a.m. Incheon time, and when I reached the third goal conceded from a corner, I had to stop. The same script every time: a floating ball into the box, an Ajax player escaping his marker, the net rippling. Three times in ninety minutes. This was not a bad night for a defence — this was proof of an unpatched coaching hole. Danny Buijs, Fortuna's head coach, said it plainly afterwards: if that happens, you are never going to get a result against Ajax. He was right analytically. But the way he said it — publicly, without cover, aimed at one individual — is more worth discussing than the scoreline itself. Fortuna Sittard are a mid-table Eredivisie side. Their squad is valued at roughly 20-25 million euros, their stadium holds under 15,000, and their wage bill is a fraction of their opponent's. That opponent was Ajax — a club built to conquer the Champions League, not to play a Dutch mid-table team. Anyone who has followed the Eredivisie for years knows this gap is not news. Yet in the first half, Fortuna were not bad. They held their shape, defended reasonably in open play, and even equalised after the break. The 4-3-3 Buijs deployed functioned in transition phases. The problem lay in dead-ball situations — specifically corners. From my own review of the footage, Fortuna used a mixed-marking system at corners. The inherent weakness of that system: when one player loses concentration or gets blocked on his run, the whole defensive block collapses in a chain. Ajax exploited that to the extreme. Three goals from corners in one match is an anomalous figure — Eredivisie teams typically concede only around 0.4 to 0.6 goals per match from set pieces. The most notable thing is not the 1-5 scoreline. The most notable thing is that Buijs chose to speak publicly about one specific player — Lecquincio Zeefuik, a 21-year-old striker. He said: "He does exceptionally beautiful things, but he also does an incredible number of things that absolutely have to improve." And: "He gets involved in those kinds of moments far too often." In Dutch football, a coach publicly criticising a young player is not rare. But here, Buijs was not just talking about one player — he was mapping the limits of an entire model. He said: "That is also the reason why many lads who now play for clubs like Fortuna never end up at PSV, Ajax or Feyenoord." That line is the centrepiece. It is not just a remark about Zeefuik. It is a confession about the structure of Dutch football: the big three monopolise talent, and the rest serve as launching pads. In Vietnam, we are used to a similar model on a different scale — Hanoi FC or CAHN hoover up the stars while the rest scramble for footing. Looking from Korea, where the K League also has a clear hierarchy, I see one common thread: football always has classes, and the hard part is not breaking the class ceiling but surviving long enough within it. Zeefuik picked up a yellow card and was substituted at half-time. At 21, this is the decisive window: either discipline gets forged, or the rut hardens. Buijs understands that. The way he spoke — criticising while leaving the door open — is a squad-management technique, not cruelty. But there is a blind spot: three goals from corners are not one individual's fault. If Buijs focuses only on Zeefuik, he is deflecting from a systemic problem. No dedicated set-piece coach was named. Ajax — with one of Europe's best opposition-analysis departments — almost certainly identified this weakness before the match. So what if I say Buijs is doing the right thing? It sounds paradoxical to criticise and defend him at once. But think again: at a mid-table club whose budget cannot buy polished players, the coach must use the dressing room itself as a development tool. Publicly setting the standard — however shocking — is the only way to force a young player to confront his limits. What worries me is not the criticism. What worries me is that the forty minutes of open play in which Fortuna's defence performed well were forgotten in the press conference. If Buijs only talks about corners and Zeefuik, then in the next match, when Ajax or another side scores from a set piece again, the question becomes: who is responsible? Three goals from one type of situation in a single match is data, not emotion. And data whispers while the whole stadium is screaming — I learned to listen. Ajax did not need to play well to win 5-1. They just needed patience and three situations. That is bad news for Fortuna, but also good news — because the hole can be patched, if someone takes responsibility for patching it. My prediction: over the next five matches, if Fortuna still concede from two or more set pieces, the story will shift from "Zeefuik lacks discipline" to "Buijs lacks solutions." And then the question about the coaching seat will surface faster than any corner-kick goal. Football does not forgive forgotten holes — it simply waits for the next time to remind you.