Sports Wiki
Evergreen explainers on the rules, tactics, records and numbers behind football and basketball — built to be read long after the final whistle.
- Rules4 Sept 2026
Goal-line technology explained
What goal-line technology does, the problem it was created to solve, how it differs from VAR, and why it gives an instant, final answer.
- Rules4 Sept 2026
Direct and indirect free kicks explained
The difference between a direct and an indirect free kick, which offences produce each, how the referee signals them, and the rules that govern taking them.
- Rules4 Sept 2026
The clear path foul explained
What a clear path foul is, the fast-break situation it applies to, why it is punished more harshly, and how it changes the way defenders behave in transition.
- Rules4 Sept 2026
Ball in and out of play explained
When the ball is in or out of play, why the whole ball must cross the whole line, what happens off the posts and officials, and how play restarts.
- Trivia4 Sept 2026
Why do football pitches have stripes?
What creates the light and dark stripes on a football pitch, why it is not paint, whether the patterns serve any purpose, and how groundskeepers make them.
- Trivia4 Sept 2026
Why does a basketball team have five players?
Why five became the standard number on a basketball court, how early games varied, what the number has to do with the size of the court, and why it works so well.
- Trivia4 Sept 2026
The origin of the referee's whistle
How referees controlled matches before the whistle, when the whistle arrived, why it was such an improvement, and how it became a universal symbol of authority in sport.
- Trivia4 Sept 2026
The origin of the NBA championship trophy
What the NBA championship trophy is, who it is named after, what it looks like, and why each winning team gets to keep its own.
- Trivia4 Sept 2026
The origin of the jump shot
How players shot before the jump shot existed, why leaping to shoot was such a breakthrough, how it spread through the game, and why it changed basketball forever.
- Trivia4 Sept 2026
The origin of the goal net
Why football added nets to its goals, the disputes they were designed to settle, who is credited with the idea, and how they changed the game.
- Trivia4 Sept 2026
The origin of the Ballon d'Or
How football's most famous individual award began, who created it, how the winner is chosen, and how it grew from a European prize into a global honour.
- Trivia4 Sept 2026
The origin of the alley-oop
What an alley-oop is, where the unusual name comes from, how the play rose to prominence, and why it became one of basketball's most exciting moments.
- Rankings4 Sept 2026
Three-point rate and shot selection explained
What three-point rate measures, why where a team shoots from matters as much as how well, how analytics reshaped shot selection, and how to read these numbers.
- Rankings4 Sept 2026
Steal rate and block rate explained
What steal rate and block rate measure, why rates beat raw totals, what they can and cannot tell you about defence, and how to read them sensibly.
- Rankings4 Sept 2026
Progressive passes and carries explained
What makes a pass or carry progressive, how these numbers measure ball progression, why they value build-up as well as the final ball, and how to read them.
- Rankings4 Sept 2026
What is non-penalty xG (npxG)? A cleaner look at attacking quality
Non-penalty expected goals in one sentence, why penalties are stripped out, what npxG reveals about a striker's open-play quality, and how to read it sensibly.
- Rankings4 Sept 2026
What is free throw rate? Getting to the line
Free throw rate in one sentence, how it is calculated, why getting to the line is so valuable, and how to read it for players and teams.
- Rankings4 Sept 2026
What is field tilt? Measuring territorial dominance
Field tilt in one sentence, how it measures where the game is played, why it differs from raw possession, and how to read a team's territorial control.
- Rankings4 Sept 2026
Big chances and chances created explained
What chances created and big chances mean, how they differ from assists, why big chances measure quality as well as quantity, and how to read them sensibly.
- Rankings4 Sept 2026
Assist percentage and turnover percentage explained
What assist percentage and turnover percentage measure, why rates beat raw totals, how the two together judge a playmaker, and how to read them sensibly.