Florian Wirtz is on the cusp of becoming a Liverpool player and in the process will become the most expensive transfer the club has ever completed. The Reds will pay Bayer Leverkusen an initial fee

Florian Wirtz knows what it is to be a wanted man. And now, six years after catching the eye of some of the game's biggest clubs, Wirtz is making the second high profile, contentious move of his career.

How are the Premier League champions able to spend so big on one player and does it impact their PSR prospects?