Manchester United are set to pull off a huge signing this weekend after agreeing a deal with Chelsea for Spanish playmaker Juan Mata.
A club record £37 million is the estimated figure required to land Mata, in a move that could kick-start United's season and fire them back into the race for Champions League qualification.
The news hasn't gone down so well with the likes of Arsene Wenger and Manuel Pellegrini, who feel the transfer could have a pivotal role on the outcome of this season's title race, a race it would appear United have no chance of winning.
But Mata's transfer is far from the first high profile move involving players switching between rival teams at the top level of English football.
GMS contributor Alex Brown takes at look at five of the biggest deals directly involving two of the league's main title contenders.
Write for GiveMeSport! Sign-up to the GMS Writing Academy here: http://gms.to/130seMa
DISCLAIMER: This article has been written by a member of the GiveMeSport Writing Academy and does not represent the views of GiveMeSport.com or SportsNewMedia. The views and opinions expressed are solely that of the author credited at the top of this article. GiveMeSport.com and SportsNewMedia do not take any responsibility for the content of its contributors.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms