It is transfer deadline day for football's most competitive league - the Premier League - when clubs can add players to their squad who were previously under contract with another club.

In the cut and thrust of football's transfer market are the agents. Among them, Kees Vos - who has been described as one of the most influential figures in world football. As agent to Manchester United manager Erik ten Hag, he is said to control the ins and outs of the club.

Matt Lines talks to him about the stories behind the headline transfer sagas and how the industry has changed during his 20 years in the business.

(Photo: Kees Vos. Credit: SEG Entertainment)

Presented/produced by Matt Lines