The French defender's current deal runs to 2021, and despite the longevity in his contract, his [euro]60million release clause
has the La Liga leaders worried.
The French defender is understood to be on the brink of joining the Etihad side, with sources close to his club Athletic Bilbao claiming they have triggered the defender's release clause
City moved to trigger Laporte's release clause
after the French centre-back indicated his desire to finally leave Spain to play for Pep Guardiola's runaway Premier League leaders.
City plan to activate the E65 million release clause
in Laporte's contract after deciding to renew their interest in the 23-year-old in the belief he represents a better long-term option than West Bromwich Albion's Jonny Evans.
That could complicate matters for City, as his release clause
is said to rise to PS65.
The release clause
of his contract is now set at e1/4500 million.
One major stumbling block has been his agent's desire for a release clause
Thomas Vermaelen, a defender West Brom were considering moving for this past summer, has explained that there was no chance of him getting a move away from Barcelona - as he had an astonishing [euro]80m release clause
that put potential suitors off.
Juventus chief Beppe Marotta has admitted that Dybala does not have a release clause
in his contract and the club are powerless to stop him leaving.
Jurgen Klopp had been trying without success to sign Keita this summer but the Guinea international has a 48m release clause
in his contract which will be activated at the end of the season.
Spain's La Liga on Thursday rejected payment of a record-breaking release clause
that would allow Neymar to leave Barcelona for Paris St Germain, a source from the national football league said.
The release clause
was triggered upon relegation, a fate which City suffered at the end of April when they dropped out of League One to the fourth tier of English football.