PORTO, PORTUGAL - JULY 30: Iker Casillas of FC Porto in action during the Pre-Season Friendly match between FC Porto and RC Deportivo La Coruna at Estadio do Dragao on July 30, 2017 in Porto, Portugal. (Photo by Octavio Passos/Getty Images)

Ranked - Five Players Who Were Forced Out by Their Respective Clubs

The transfer window is a witness to various moves by clubs and players. Often times, even the best and loyal players have been forced out of their respective clubs with it coming down to money in the end.

Here, we look at five players who were forced to leave by their respective clubs.

1. Iker Casillas (Real Madrid)

Iker Casillas was dropped from the starting lineup by then manager Jose Mourinho in December 2012 on account of differences between the two and that proved to be the start of his decline at the Bernabeu as the shot-stopper was allegedly forced out of the club as claimed by the various reports.

2. Angel Di Maria (Real Madrid)

Di Maria went from being one of the best Real Madrid attackers to an outcast after the arrival of James Rodriguez in a big money transfer and was forced to leave Real Madrid for Manchester United in what was a record British transfer fee at that time and made sure that the world knows that he did not want to leave the Santiago Bernabeu in a letter.

3. Mamadou Sakho (Liverpool)

During Liverpool's pre-season tour in 2016, Sakho was sent home by manager Jürgen Klopp for not respecting the rules that had been put in place for the squad. As a result, Sakho was demoted from the senior squad to reserves for one half and was sent on loan to Crystal Palace for the other half which resulted into a permanent move a season later.

4. Joe Hart (Manchester City)

Joe Hart spent the last season on loan at Torino and is currently on loan at West Ham United after Manchester City manager Pep Guardiola made it clear to him that he does not see a future for him at the Etihad Stadium.

5. Andy Carroll (Newcastle United)

Andy Carroll attracted the attention of a struggling Liverpool side who made a bid believed to be in the region of £30 million which was rejected by the club and in a bid to make sure they extracted an obscene value from the transfer of their main man, Newcastle forced Carroll into handing in a transfer request so as to force Liverpool’s hand.