There is a city in Uruguay — small, sun-baked, sitting on the river that separates it from Argentina — that has produced more world-class footballers per square kilometre than almost anywhere on earth. That city is Salto. And the story of its football stretches from the boulevards of 1920s Paris all the way to the pitches of Barcelona and the Parc des Princes.

Luis Suárez was born in Salto on January 24, 1987. The seventh of nine children in a family with very little money, he grew up on the streets of the city, developing the hunger — literal and figurative — that would define his career. At Barcelona he became one of the greatest strikers of his generation, winning four La Liga titles and a Champions League. At the 2010 and 2014 World Cups he carried Uruguay on his back, his instincts raw and electric, his goals seemingly conjured from desperation alone.

Edinson Cavani was born in Salto on February 14, 1987 — just three weeks after Suárez, in the same city, the same year. He grew up less than a kilometre away. At Paris Saint-Germain he became the club's all-time leading scorer, a record that stood for nearly a decade. Elegant, precise, brutal in the penalty area — Cavani became one of the most complete centre-forwards in the history of the game.

“Two boys from the same small city, born three weeks apart. Football has never produced a coincidence quite like Salto.”

But Salto's football story does not begin in 1987. It begins nearly a century earlier, with a man who dazzled the French capital when most Europeans had never seen a Uruguayan play.

Leandro Andrade — known to history as La Maravilla Negra, The Black Marvel — was born in Salto in 1901. He was the son of a Brazilian drummer and an Uruguayan mother, and he grew up in the Afro-Uruguayan community of the interior at a time when Uruguay was quietly inventing the modern game of football.

In 1924, Andrade travelled to Paris with the Uruguayan national team for the Olympic Games. Europe had never seen football played like this. Uruguay's style — fluid, technical, invented in the potreros of Montevideo and Salto — was something entirely new. And at the centre of it was Andrade: a midfielder of extraordinary grace, power and vision who could control a match the way a conductor controls an orchestra.

The French press lost their minds. Parisians flocked to watch him train. Journalists called him “the wonder of the tournament”. Uruguay won the Olympic gold medal. Four years later at the 1928 Amsterdam Olympics, they won it again — with Andrade once more at the heart of everything. And in 1930, at the first-ever FIFA World Cup, held in Uruguay, La Maravilla Negra was part of the team that lifted the trophy in Montevideo.

Three World and Olympic champions. Two of the greatest strikers of the modern era. All from one city. All from Salto.

There is no easy explanation for this. Some point to the thermal water, half-joking. Others point to poverty and desire — the classic engine of South American football. But those who know the city best say it is something in the character of the place: the stubbornness of the interior, the pride of people who feel overlooked and have always played with something to prove.

When you walk the streets of Salto today, you walk where Suárez learned to run, where Cavani learned to shoot, where Andrade learned to dance with the ball. The city does not advertise this loudly. It does not need to.