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A way of adjusting stats to account for how much the ball a team has. A team with 70% possession will naturally have more passes, so comparing their passing numbers directly to a team with 40% possession is misleading. Possession-adjusted stats divide by possession share to give a fairer comparison. Useful for evaluating defensive actions especially - making fewer tackles might just mean you have the ball more often.

A player who spends their whole career at one club. Rare now because the transfer market moves everyone around every few years. When it happens, the player becomes a club legend and symbol of loyalty. Jamie Carragher might have grown up an Everton fan but he came through Liverpool's youth ranks and played 737 times for the reds in a one club career.

The side of the pitch away from the ball. While the defense shifts ball side, the weak side becomes less defended. Quick switches of play exploit this - ping the ball across and suddenly the weak side attacker has space. Teams balance numbers to prevent getting caught, but there's always a trade-off between compactness ball side and coverage on the weak side.

Choking under pressure. Blowing a lead, collapsing in the title race, or failing when it matters most. "To bottle it" means you couldn't handle the moment. Teams get labelled as bottlers based on historical collapses, and the tag sticks even after they win something. Central to football banter, especially for fanbases with painful near-misses in their history.

A booking for reckless fouls, dissent, time-wasting, or tactical fouls. Two yellows in one game means a red and you're off. They also accumulate across a competition - hit 5 or 10 (depending on the rules) and you miss a game. Taking a tactical yellow to stop an attack is common but frowned upon. The card system started at the 1970 World Cup to get around language barriers.