On the day that his signing at Bayern Munich was officially announced, former Liverpool FC winger Luis Díaz immediately hit the training pitch for his first session with his new team.

The big spending in the Bundesliga is usually done by Bayern Munich, as proven by the top 10 most expensive signings in the German top flight's history.

Bayern Munich have signed Colombian winger Luis Diaz from Liverpool on a four-year contract, the Bundesliga club said on Wednesday.Financial details of the transfer were not revealed but British media reported Bayern paid around 75 million euros ($86.