Only a handful of players in modern history have worn both Real Madrid and Barcelona's colors. Here's who — and why it happens so rarely.
Behind every prolific goalscorer is usually one teammate who keeps finding them. These are the most productive partnerships in our database.
Modern top-flight football runs on migration as much as talent. Here's what the data says about which countries feed which leagues.
A handful of players' careers look more like a well-used passport than a résumé. Here are the most well-traveled we've found.
A handful of players still turning out in our six leagues carry serious international pedigree. Here's who has racked up the most caps and goals for their country without slowing down.
From a 2.06m centre-back to a 1.63m full-back doing the same job, height matters less than you'd think in modern football. Here are the tallest and shortest players by position across our six leagues.
Some clubs build their squads almost entirely around imported talent. Here are the clubs in our database currently fielding the most different nationalities.