Premier League clubs are permitted to conduct the purchase and sale of players during the winter and summer transfer windows.
Windows were introduced as part of a compromise agreement with the European Commission about how the whole transfer system worked and how it could best preserve contractual stability for both the player and the club while allowing movement at prescribed times during the year – the summer and winter transfer windows in effect.
The alternative was to bring football in line with most other industries where contracts were not enforceable or liable for appropriate compensation, i.e. notice periods being served and players moving at will.
The football authorities across Europe felt this would fatally undermine the footballing economy and remove the incentive for clubs to invest in developing players.
Brentford have completed the signing of central defender Mathias Jorgensen on a one-year contract.
The 31-year-old, also known as Zanka, played two seasons with Huddersfield Town in the Premier League, making 62 appearances and scoring three goals.
“Zanka brings a wealth of experience from different leagues and a lot of international games,” Brentford head coach Thomas Frank told the club’s official website.
“That experience and leadership is especially important and it is great to get him in. Zanka is player that is defensively strong, he is aware of how we like to defend, has very good positioning and has quality on the ball. We think he can play in any of the three central defensive positions.”
The Denmark international had been without a club, having left Turkish side Fenerbahce during the summer.
Brentford have the option to extend the deal until the summer of 2023. The move is subject to confirmation of a work permit and international clearance.