The Ajax defender earned rave reviews for his performances in the Champions League this season as the Dutch club managed to upset the odds and reach the semi-finals.
Ajax were eventually KO'ed by Tottenham in the semifinals.
Addressing thousands of cheering fans in Amsterdam's main square, De Ligt delivered a powerful, moving speech while paying tribute to the legendary Johan Cruyff.
As reported by The Liverpool Echo, Balague said the club have "been talking to him" in an attempt to bring him to England.
Balague spoke about De Ligt and Liverpool during last Thursday's BBC Football Daily podcast.
However, Manchester United do not have Champions League football to offer De Ligt and will face competition from Liverpool and Manchester City among others.More news: Asus Zenfone 6 launched with Snapdragon 855, flip-up camera and more
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De Jong and De Ligt look set to continue as teammates.
It's claimed that Paris Saint-Germain, Juventus and Bayern Munich are willing to pay it.
It's now down to the player where he wants to go to.
He added on that Barcelona have struck a deal to sign him, Liverpool are proving to be a stumbling block.
But I feel that he's close - or that's what Barcelona feels, that they're close to getting him.
We shall see how the transfer saga unfolds in the coming weeks.
The Netherlands global has been strongly linked with a move away follow a hugely impressive season in Amsterdam, with Barcelona widely expected to reunite him with fellow Ajax star Frenkie de Jong at Camp Nou next season.