Roman Abramovich bought Chelsea in 2003, taking control of the club during the summer and beginning one of the most successful eras in its history.

Find out why rankings for teams with the most 0-0 draws vary, how goalless draws are counted, and which statistics are needed to compare teams fairly.

A reasoned ranking of the top 10 football coaches in the world, comparing trophies, tactical influence, adaptability, longevity and success at club and international level.

Samuel Okwaraji died suddenly during Nigeria’s 1989 World Cup qualifier against Angola. Here is what is known about the footballer’s death and the medical explanation reported at the time.

A standard football pitch does not have one fixed size. Learn the official length and width ranges, international dimensions, penalty areas, centre circle and goal measurements in meters.

Shots on goal are attempts that would enter the net without a save, block, or goalkeeper intervention. Learn how the statistic is counted and how it differs from total shots and shots off target.

Simon Bloch Jørgensen is widely listed among the tallest professional footballers, while Lacina Traoré is often cited as the tallest player to appear in the Premier League.

How many free-kick goals has Cristiano Ronaldo scored? This article explains why totals differ, reviews his technique and compares his direct free kicks with Lionel Messi’s.

Cristiano Ronaldo’s best scoring season was 2014–15, when he scored 61 goals for Real Madrid in all competitions and 48 in La Liga.