“The manager…” – Michael Stewart delivers blunt verdict on Celtic 7-1 defeat.

Michael Stewart has placed much of the responsibility for Hearts’ heavy 7-1 defeat against Celtic on manager Wouter Vrancken, arguing that the team’s tactical approach left them dangerously exposed at Celtic Park.

The former Hearts midfielder rejected the suggestion that the extraordinary scoreline could simply be blamed on individual mistakes from the players. While Celtic deserve huge credit for the way they punished Hearts, Stewart believes the visitors’ tactical set-up created the conditions for those mistakes to happen repeatedly.

Martin O’Neill’s Celtic were clinical throughout the contest, taking full advantage whenever Hearts surrendered possession. Callum Osmand marked his first start with two goals, Camilo Duran produced an impressive performance in the central attacking role, while Benjamin Nygren also found the net twice.

The final scoreline was emphatic, but Stewart believes the foundations for the defeat were laid by Hearts’ tactical decisions.

Stewart points finger at Hearts manager

Vrancken instructed his players to take a highly aggressive approach against Celtic, with Hearts attempting to press high up the pitch and match their opponents on a man-for-man basis.

On paper, the strategy was designed to prevent Celtic from building comfortably from the back. In practice, however, it created huge spaces whenever the home side managed to escape the initial pressure.

Once Celtic broke through that first line, Hearts were often left with defenders isolated in one-on-one situations. Against a Celtic side packed with pace and attacking quality, that proved extremely dangerous.

Celtic’s Callum Osmand celebrates scoring their side’s fourth goal during the William Hill Premiership match at Celtic Park, Glasgow. Picture date: Sunday October 18, 2026.

Speaking on BBC Sport, Stewart argued that those defensive situations could not simply be described as player errors.

He said: “There’s then the other side of it, where Celtic have got the ball, Hearts are pressing them high up the park. They’re 1v1 at the back. That’s not on the players. That’s the manager that set them up like that.”

Stewart’s argument was that the players were following a tactical instruction rather than independently deciding to leave themselves exposed.

Hearts’ high press played into Celtic’s hands

The former Hearts midfielder continued by explaining why he felt the tactical plan was particularly risky against O’Neill’s team.

Vrancken wanted Hearts to press Celtic high and aggressively, with players pushed forward across the pitch. However, the system meant there was considerable space behind the defensive line whenever Celtic successfully escaped the press.

Stewart added: “He set them up to go and press Celtic man for man, flood high up the park, and the whole thing is compounded into a 7-1 defeat, which is very good for Celtic.”

For Celtic, the approach was almost tailor-made for their strengths.

O’Neill’s side were able to attack quickly after winning possession, with Duran, Osmand and Haissem Hassan capable of carrying the ball into open spaces. Every misplaced pass or unsuccessful challenge from Hearts had the potential to turn into another Celtic attack.

That pattern repeated throughout the match.

Individual errors or tactical problem?

Hearts certainly made mistakes, but Stewart believes the bigger question is why those errors became so frequent.

Rather than treating each poor touch or misplaced pass as an isolated incident, he suggested that the tactical structure must also be examined.

“You talk about individual errors, you need to ask why are individual errors happening?” Stewart said. “Why were individual errors not happening in a defensive sense last year? Why are they happening this year? It’s balance is key.”

That distinction is important.

A defender losing possession or making a poor decision can happen in any football match. However, if the same type of mistake repeatedly results in dangerous opportunities, questions inevitably arise about the system surrounding those players.

Against Celtic, Hearts appeared to put themselves under constant pressure by continuing to operate with such a high defensive risk.

Heart of Midlothian manager Wouter Vrancken ahead of the William Hill Premiership match at Celtic Park, Glasgow. Picture date: Sunday October 18, 2026.

Celtic punished every opening

Hearts were not simply unlucky to concede seven goals.

Their tactical approach repeatedly created situations in which one mistake could leave Celtic with a clear route towards goal. Once the first error occurred, another Celtic attack was often not far away.

Stewart believes that was the predictable consequence of asking Hearts to defend so aggressively against one of the league’s strongest transition teams.

He explained: “When you put your team 1v1 spread across the width of a park against what he described as the best transition side in the league, then it’s inevitable that there will be mistakes.”

That proved to be exactly what happened.

Celtic were able to exploit the spaces left by Hearts, move the ball quickly and attack with numbers. The visitors struggled to recover their shape whenever the initial press was bypassed.

A painful lesson for Vrancken

Hearts travelled to Celtic Park with confidence and ambition, but their tactical plan ultimately gave Celtic the type of match they wanted.

O’Neill’s team had the speed, movement and directness needed to exploit a high defensive line. By continuing to leave space behind their pressure, Hearts effectively invited Celtic to attack those areas.

Celtic still had to execute their opportunities, and they did that with ruthless efficiency. Osmand took his chances, Nygren struck twice and Duran caused problems throughout the match.

The 7-1 scoreline therefore reflects both Celtic’s outstanding attacking performance and Hearts’ inability to protect themselves.

For Vrancken, it was a brutal lesson.

Stewart’s criticism does not completely remove responsibility from the Hearts players, but it highlights a wider issue. If a tactical system consistently leaves defenders exposed against a team capable of devastating transitions, individual mistakes become far more likely.

Celtic deserve enormous credit for taking full advantage, but Stewart’s central argument remains clear: Hearts did not merely lose because their players made mistakes. Their tactical approach helped create the conditions in which those mistakes became costly.

The 7-1 defeat will therefore leave Vrancken with plenty to consider, particularly when Hearts face another high-quality opponent and must decide whether to continue taking such significant risks.