The 2025–26 football season is entering its final

The 2025–26 football season is entering its final, feverish weeks. On 24 May, Arsenal and Manchester City will contest one of the most tightly contested Premier League title races in recent memory. A 38-game marathon now resolved by a handful of decisions, under the most intense pressure imaginable. Across Europe, national teams are sharpening their squads in preparation for the FIFA World Cup 2026. The stakes could not be higher, and the margin for psychological error could not be smaller.

With the Premier League season finale approaching, the football world finds itself asking the same question it always does when the trophies are this close: what separates the players who perform when it matters most from those who shrink under the weight of the moment?

Technique, fitness, and tactical intelligence are assumed. What remains is something harder to quantify, and historically harder to train.

That something is emotional intelligence. Specifically, trait emotional intelligence: a measurable, scientifically validated set of dispositions that determine how people perceive, manage, and express emotion under pressure. And the evidence, while modest in absolute effect size, is increasingly difficult to ignore.

What Are Emotions, and Why Should a Footballer Care?

Emotions are not interruptions to performance. They are information. Fear tells you something is at stake. Frustration signals that expectations have been violated. Excitement prepares the body for action. Shame triggers withdrawal. In any context where outcomes matter deeply and uncertainty is high, whether a penalty shootout, a relegation battle, or a Champions League knockout, the emotional system is working at full capacity. The question is not whether it is active. The question is whether the player can read it, regulate it, and use it.

Trait emotional intelligence (trait EI) is precisely this: a dispositional tendency to perceive, process, and manage emotional information effectively. It is measured across fifteen distinct facets, including emotion regulation, stress management, impulse control, and emotional expression, and aggregated into a global score and four higher-order factors.

Critically, trait EI is not a cognitive ability. It is a stable personality characteristic, measurable by the TEIQue, and it reflects how people typically feel and behave rather than what they can do at their cognitive best.

This distinction matters enormously in football. Ability-based models of emotional intelligence, such as those that ask you to solve emotional problems like maths puzzles, have consistently failed to predict athletic performance in peer-reviewed research. Trait EI, measured by the TEIQue, is a different matter entirely.

What the Research Actually Says

Football is not short of performance science. Biomechanics, GPS tracking, expected goals models: data flows into elite clubs in volumes that would have been unimaginable a decade ago. Psychological science has been slower to penetrate the top tier, partly due to club confidentiality and the small-sample problem at the absolute elite.

That is a modest but consistent effect, broadly replicated across different sports, performance levels, and EI measurement approaches. A broader 2024 PRISMA meta-analysis (Hoxha et al., PLOS ONE) covering 127 studies and 24,358 participants found a standardised effect of d = 0.225 for EI on sport performance, compared to d = 0.607 for overall personality. Small in absolute terms, but significant in a system where marginal differences determine outcomes.

In football specifically, the evidence converges on a set of emotionally loaded outcomes: injury risk, card-related discipline, competitive anxiety, and team cohesion.

Angoorani et al. (2019) studied 327 Iranian Premier League players and found that lower emotion-regulation scores predicted significantly higher injury risk (OR = 0.88, p = 0.02). Players who struggle to manage their emotional states are, quite literally, more likely to end up on the treatment table.

Among youth players, Castro-Sánchez et al. (2019) found that Spanish 16–18-year-old footballers with higher trait EI tended to report lower competitive anxiety, with EI scores of 4.03 for low-anxiety players compared to 3.61 for high-anxiety players (p ≤ 0.05), and showed a significant positive correlation with task-oriented motivational climates (r = 0.379, p ≤ 0.01). These associations are correlational; the study does not establish whether trait EI drives motivational orientation or vice versa. What it does suggest is that players who emotionally engage with the process of improvement, rather than merely the result, tend to feel more capable and less threatened.

Perhaps most significant is a landmark 2025 study published in the Proceedings of the National Academy of Sciences (Bonetti et al., N = 328). Using an artificial neural network classifier trained on psychological profiles of 204 elite Brazilian and Swedish professional players and 124 controls, researchers achieved 97% accuracy in distinguishing professionals from non-professionals. The elite players showed a consistent psychological signature: higher conscientiousness, extraversion, and openness to experience; lower neuroticism and agreeableness; and superior cognitive flexibility, inhibitory control, planning, and memory.

Trait EI was not included in the Bonetti et al. study, but the TEIQue-Big Five pairing, which combines trait EI profiling with the Big Five personality dimensions, allows practitioners to draw on the existing evidence to reach similar recommendations to those in this study.

The psychological profile of an elite footballer is measurable. It is not mysterious. And it can, within limits, be developed.

The Title Race: What Mindset Has to Do with May 24th

Arsenal and Manchester City go into the final weeks of the 2025–26 Premier League season separated by points, not philosophy. Both clubs operate at the summit of the sport. Both have technically elite squads. Both are managed by tactically sophisticated coaches. Yet they have spent the season projecting fundamentally different psychological textures.

Arsenal, under Mikel Arteta, have been perhaps the most consciously emotionally led team in top-flight football for the past three seasons. Arteta speaks openly about culture, mindset, and collective identity in ways that few elite managers do. His stated commitment to building what he calls a ‘high-performance environment’ aligns closely with what the EI literature describes as a task-oriented motivational climate, one in which process, learning, and emotional composure are valued alongside results.

Research finds a consistent correlation between players in task-oriented climates and both higher trait EI scores and lower competitive anxiety (Castro-Sánchez et al., 2019).

Manchester City present a different study. Under Pep Guardiola, the emphasis is on structure, positional clarity, and collective execution. Guardiola has acknowledged in interviews that City’s 2025–26 season required an emotional reset: a rebuilding of confidence and collective belief after the previous campaign fell short.

The EI literature on team dynamics is instructive here. Hampson and Jowett (2014) demonstrated that coach emotional intelligence directly predicts collective efficacy in football teams, and Sun et al. (2025) showed that the coach–athlete relationship mediates team performance through both athletic engagement and emotional intelligence, with a significant chained mediation effect (β = 0.014, p < 0.001). How Guardiola has managed the emotional undercurrents of his squad this season may matter as much as any tactical tweak.

What the research cannot yet tell us, given that the data at this level of elite football simply does not exist publicly, is which squad carries a higher collective trait EI profile. That is precisely the kind of analysis that LPL’s Team Report and Group-Sort tools are designed to support: mapping Team Emotional Elevation, Heterogeneity, and Potential for Emotional Conflict across a squad, pre-season, so that the psychological dynamics playing out in May are legible rather than invisible.

On 24 May, two emotionally distinct teams will likely resolve a title that fitness, tactics, and technical quality have been unable to separate. The difference may come down to which players, and which manager, can convert their emotional experience in the moment into composed, purposeful action. That is trait EI under its most extreme real-world test.

From Observation to Measurement: What Comes Next

The example above is observational. The research caveats are real: effect sizes are small, the football-specific evidence base is thinner than it should be, and trait EI has not been shown to reliably discriminate elite from non-elite players at the level of Bonetti et al.’s ANN classifier.

What the research does establish is that trait EI functions as a process and coping moderator that influences how athletes experience and respond to the emotional demands of competition. At cohort and team level, that influence is consistently positive, measurable, and developable. A squad with higher collective trait EI is less likely to sustain injury through poor emotion regulation (Angoorani et al., 2019; the red card association identified in the same study was bivariate only and did not survive multivariable adjustment), more likely to maintain cohesion under pressure, more capable of absorbing tactical feedback from a coach, and better positioned to sustain performance across a long season.

The clubs and academies that invest in this now, before large-scale football-specific normative datasets exist, will carry an informational advantage that compounds over time. The question is not whether emotional intelligence matters in football. It is who builds the evidence base first.

Closing Reflection

As the 2025–26 season resolves its final narratives — a title decided on the last day, a World Cup cycle gathering momentum, careers shaped by moments of composure or collapse — the sport is quietly conducting one of the largest natural experiments in applied psychology ever assembled. Millions of data points about human performance under extreme emotional pressure, recorded in real time, in front of millions of witnesses.

The instruments to make sense of that data exist. The research base is growing. The question for coaches, clubs, and practitioners is whether they are ready to stop treating emotional intelligence as an intuition and start treating it as information.

Copyright © K.V. Petrides / London Psychometric Laboratory 1998–2026. All rights reserved.