Bucknell study finds big home crowds can make coaches more cautious

At Bucknell University in Lewisburg, a new soccer study turned a familiar home-field cliché on its head. Big crowds can change coaching decisions, but not always by emboldening the home side. In the Bucknell work, visiting managers facing loud support were more likely to get cautious, not bold, and to lean into defensive substitutions.

The June 8 Bucknell article centers on Chris Magee, an economics professor and lifelong soccer player and fan. His conclusion was blunt in practice: when the pressure rises, coaches often make the wrong tradeoff, pulling off attackers and adding defenders when keeping attacking players on the field is usually the better move. That matters in a county where Bucknell athletics and local sports are part of the civic rhythm, and where packed stands can make a late decision feel larger than it is.

Magee’s latest finding built on earlier Bucknell research. In 2023, Magee and Amy Wolaver studied soccer matches with no fans in so-called ghost games during the pandemic and found that larger crowds increased the per-minute rate of goals, yellow cards and penalty kicks later in matches. That work showed the crowd did not just add noise. It appeared to change urgency as games moved toward the final whistle.

The newer study shifted the focus from what happens on the field to what happens on the bench. Magee examined substitutions in the top five European football leagues from 2017 to 2021 and found that crowd size had little effect on home teams’ substitutions. Away managers, by contrast, became more defensive in larger crowds, a pattern Bucknell linked to negative social pressure, fear and risk-averse decision-making. The pattern held both in comparisons with empty-stadium pandemic matches and in pre-pandemic matches with bigger and smaller crowds.

That research lands during the 2026 FIFA World Cup, which opened June 11 and runs through July 19, with the final set for New York/New Jersey. FIFA has said the tournament is being staged across the United States, Canada and Mexico in 16 stadiums spread across 16 host cities. Bucknell said packed stadiums could create a de facto home-field edge not just for Team USA, Canada and Mexico, but also for travel-heavy fan bases such as Argentina and Brazil.

For Bucknell and Union County readers, the practical lesson is simple. Loud support can shape more than momentum. It can push experienced coaches into safer choices that, in Magee’s view, are often the worse ones.