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Leeds, meanwhile, came from the English football team Leeds United, and the fallen Leeds are literally getting back to Leeds.

Lee Chung-chan reported the secret.

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Leeds United has been a strong team in Europe since the early 2000s, starring Allen Smith and Rio Ferdinand. But in the wake of the financial crisis, he left the main players and went down to the third division in 2007.

Having dropped to the third division in an instant when he was considered a Premier League club, Leeds is getting his old reputation back with the help of science.

Three years ago, a sports scientist was recruited to collect and analyze the players' data, and the power was also increased, while differentiating the training according to body condition.

[Tom Robinson / Leeds Sports Science Expert: Those who have recovered well have had intense power training, and others have recovered. If you do not have data, you have to guess your body condition.]

This season Leeds are in the lead of the second division and are looking to return to the Premier League in 15 years.

Many of the European clubs, like Liz, who is writing a reversal story, are using science to make changes.

One of the best practices of the German soccer team, Hoffenheim, with its advanced training equipment and leaps to the top of the Bundesliga.

Soccer, which has been combined with science, is now becoming popular in Europe.

(Video coverage: Oh Young-hoon, edited by Choi Eun Jin, sponsored by Korea Press Foundation)