We are now halfway through the football transfer window, where clubs buy and sell players, and one country has got everybody talking.
China has seen a huge rise in the popularity of football in the country in recent years.
This means many Chinese managers are looking for big name players to add to their teams.
Ex-Manchester City player Carlos Tevez has recently been signed by Chinese team Shanghai Shenhua for a whopping £71.6 million!
But a change to the rules means that Chinese Super League clubs will only be allowed to play three non-Chinese players per game in their next season - which begins in March.
Martin's been finding out more about this new football powerhouse...