Every now and again, a transfer will happen in the Premier League which leaves everyone stunned.
Whether it's a big-money transfer which nobody saw coming or a big-name player moving to a rival club, these are the deals that send shockwaves through English football.
Who can forget back in 2006 when West Ham signed Argentina internationals Carlos Tevez and Javier Mascherano on the same day? Or in January 2011, when Liverpool panicked and ended up paying a staggering £35m to Newcastle United for their striker Andy Carroll?
Here are five other deals which left everyone flabbergasted.