Shirt-pulling in the V.League box: why only 24% of 128 incidents drew a whistle

Minute 84, on a pitch that has just come through the rainy season: the striker rises at the far post and his shirt is dragged back almost two hand-spans. The referee stands eleven metres away at a diagonal angle, his line of sight blocked by a centre-back's shoulder. The ball sails over the crossbar. No whistle, no consultation, not a single frame frozen.

That incident is number 97 in a file of 128 shirt-pulls inside the penalty area that I coded across the last three seasons. In 31 of them the whistle sounded, or 24.2 percent. Every shirt-pull in the box leaves an ink stain on the verdict sheet of a match; the problem in the V.League is that most of those stains are wiped away before anyone has read them.

In 2026, as a final-year student, I built a manual coding sheet for 12 rounds of the Chinese Super League. Shanghai SIPG, then under its earlier name, conceded three penalties for holding in the box, the most in the division. I cross-referenced 47 comparable incidents and arrived at an award rate of 18 percent, against a European benchmark of 61 percent at the time. That coding sheet launched my career. Nine years later I applied the identical method to the V.League and the gap has not narrowed: 24.2 percent against 58 percent.

The technical backdrop has changed a great deal. VPF introduced VAR in the National Cup in 2026 and extended it into the V.League from the 2026-24 season. There are not enough VAR crews to cover every fixture each round, so a share of matches still kick off without an operating team behind the screens. To sit in a VAR room, a referee must hold FIFA certification, and the certified pool in Vietnam can be counted on the fingers of one hand. The cost of a single VAR-enabled match, covering equipment, transmission and operating staff, is routinely placed in the tens of millions of dong.

The law itself is not ambiguous. Law 12 states that holding, pulling or pushing an opponent is a direct free kick, and inside the penalty area that means a penalty. The familiar scale has three rungs: careless, reckless, excessive force. Since 2026, IFAB has instructed referees to clamp down on shirt-pulling at set pieces. The paperwork is not lacking. What is lacking sits in enforcement.

The largest gap is not in the referee's eyes but in the structure of the incentives behind the decision. When a match has VAR, the award rate for shirt-pulls inside the box climbs to 38 percent. Without VAR, it falls to 19 percent. Average review time is 96 seconds, with the longest at three minutes and 40 seconds. Five incidents in which the on-field referee initially gave nothing were overturned into penalties after consultation.

No clause forbids VAR from intervening on a penalty that was waved away. Incidents inside the penalty area belong to the four reviewable categories: goals, penalty decisions, direct red cards and mistaken identity. On paper, a shirt-pull that went unpunished can absolutely be reversed. The obstacles sit elsewhere: the threshold of a clear and obvious error, and the human being in front of the monitor choosing which frame to replay. VAR does not uncover the truth, it only exposes what the referee chose to ignore. Whoever picks the freeze-frame shapes the verdict.

I measured the duration of each incident: an average of 1.4 seconds of continuous pulling. For a referee chasing the ball, 1.4 seconds is a moment. In the language of the law, it is a continuous and deliberate act. That mismatch produces most of the contentious decisions in the V.League, rather than the heavy collisions that dominate television replays. Based on my experience tracking matches, spectators see only the selected frame, while the VAR crew sees the whole tape.

Another cause is structural. Most V.League referees do not work full-time in football. A semi-professional corps asked to hold one consistent standard across 26 rounds, 14 clubs and 14 different defensive schools is a problem that individual effort cannot solve. European standards are upheld by full-time contracts, dedicated analysis units and the publication of VAR audio.

Meanwhile, another front is being tightened far too hard. Offside lines drawn to the centimetre force strikers to slow by half a stride, because a knee beyond the last defender is enough to erase a goal. Attacking instinct is eroded from that direction, while shirt-pulling, the cheapest defensive act in the box, is left loose. Referees are gradually becoming editors of the match: cutting goals away with precise instruments and leaving fouls untouched through silence. Watch Nguyen Xuan Son or Nguyen Tien Linh contest a near-post duel and the value of a shirt-pull to a defender becomes obvious against the risk of being punished.

This is where I argue directly against the crowd. The clubs that complain loudest about refereeing are rarely the ones with the lowest box-holding index. No V.League club has submitted a document asking for set-piece foul indices to be published round by round, and none has asked for a formal post-match appeal mechanism. A demand to tighten the law only carries weight when it falls on someone else. When your own centre-back is the one pulling, nobody wants the whistle.

One more layer is usually ignored: the goalkeeper's command of the box. The clubs conceding the most shirt-pull incidents are the ones whose keepers rarely leave their line, with a low rate of coming out for aerial balls. Those keepers are praised for long passing and ball-playing distribution, as Filip Nguyen has been at club and national level; their judgement of where the ball will drop never appears in a statistical table. A goalkeeper's distribution with the ball is treated as sacred, while the most basic skill of the trade is claiming the ball before a defender is forced into a foul. When the keeper will not come, the centre-back improvises, and the cheapest improvisation is a pull.

Law 12 does not explain the incident, it only assigns who carries the responsibility. In my file, the person carrying most of it is the striker who was pulled, who lost a chance, lost a statistic, lost part of his income, and received nothing but a shrug.

The fix lies in three concrete steps. VAR crews should publish their audio within 72 hours of the final whistle, as some leagues do, so that supporters can judge the process instead of guessing at motives. VPF should publish a round-by-round box-holding index, with the number of incidents and the number punished, to create evidence-based public pressure. And referees need professional contracts with appraisal clauses, promotion pathways and protection when a decision is correct but unpopular with a big club.

A player's contract also needs an immune system, and COVID-19 gave us that vaccine: of 15 contracts I reviewed in 2026, 12 contained no force majeure clause. The transfer market is a match with no referee, until somebody files a claim. A refereeing system without clear contracts behaves the same way, handing down verdicts on feeling rather than standard.

The direction of travel is clear. By the time the 2026 World Cup ends, positional data and semi-automated offside will have accustomed audiences to the idea that every incident can be measured. A league that does not publish its own indices will look faded beside fuller data sets, especially with younger viewers who are used to every esports match carrying a second-by-second public event log. Football does not lack rules, it lacks people who read the rules in the language the rules are written in. An outstanding referee is only remembered once everyone has had to watch the replay.

The question organisers must answer is simple: if a shirt-pull lasting 1.4 seconds can erase a goal, why has the data on it still not been published?