Barcelona's Dutch midfielder Frenkie de Jong is undergoing treatment on a torn knee ligament suffered while on national duty at the World Cup, the Spanish champions said on Thursday. De Jong suffered "a tear of the medial collateral ligament (MCL) in his right knee," Barcelona said in a statement.
Source: [Yahoo Sports](https://sports.yahoo.com/articles/barcelonas-jong-returns-world-cup-191940996.html)