Christina Unkel

FIFA World Cup 2022 refereeing: VAR, semi-automated offside technology, Stephanie Frappart among what to know

Referee Christina Unkel breaks down what a handball is, the tricky part of the offside rule and more

Champions League refereeing: Sadio Mane's handball that wasn't, and why offside calls still take so long

Several Champions League moments illustrate ways the game's rules don't work as well as they should

Champions League refereeing controversy: Why it took so long to disallow Harry Kane's Tottenham game winner

Referee Christina Unkel breaks down the disallowed Spurs goal and late Atletico Madrid drama

Champions League refereeing controversy: Why Fikayo Tomori shouldn't have seen red against Chelsea, and more

How Barcelona's Ousmane Dembele escaped a red card and the rest of the week's biggest calls

Champions League refereeing controversy: What went wrong with VAR in Inter Milan vs. Barcelona

Referee Christina Unkel explains how VAR got a crucial handball call wrong against Barcelona

Champions League's biggest calls: Neymar's taunt, the Napoli vs. Rangers penalty circus, Guardiola's hug, more

There were many huge moments involving refs this week in UCL, former referee Christina Unkel is here to break them down

The Final Decision: Champions League barriers broken, VAR brings semi-automated offside by a toenail, more

That, plus: Lisandro Martinez's handball penalty was the correct call

Inter Milan vs. AC Milan: Two key referee decisions highlight Rossoneri, Olivier Giroud's come-from-behind win

Let's take a look at the key match incidents in the Derby della Madonnina

Roma's penalty against Juventus after a disallowed goal was the right outcome, but for the wrong reason

Sometimes even when a ref misses a call, it doesn't change the outcome

Serie A: Examining three key referee decisions in Lazio's derby win over Roma

Lazio was a 3-2 winner over their capital rival on Sunday

Concacaf World Cup Qualifying: Why the USMNT, Mexico won't have VAR while they try and qualify for Qatar

Concacaf stadiums were not prepared to use VAR, no video replay as teams try and qualify for World Cup 2022

Refereeing the Champions League final: How do referees prepare for the biggest match of the season?

How do referees prepare for the biggest game of the season?

What is the legal status of the failed European Super League and could Europe's big teams break away again?

While the ESL might be gone for now, recent legal rulings suggest teams could try again if European law isn't changed

Ref's take: Erling Haaland's penalty kick, what to make of VAR decisions in Dortmund-Sevilla Champions League

VAR Massimiliano Irrati is worth his weight in gold following Erling Haaland's penalty kick retake on Tuesday

Ref's take: Why Giroud's Champions League goal for Chelsea and Atalanta-Real Madrid red were the right calls

Let's break down the 'controversial' Champions League refereeing decisions from the week

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