(Video): The inquest begins over major summer departure at Chelsea

David Luiz has made the shock move from Chelsea to Arsenal, and it’s left everyone wondering what on earth is going.

We’ve all been debating what the causes might be, and that was exactly what was going on on Sky Sports’ The Debate.

Andy Townsend suspected that the Belgian may have “reached a natural end” of his time at the club, but that doesn’t really explain the sudden move away from a club where he was looking set to be a key player.

What do you reckon the real reasons were?

You can see the full clip here: