The 32-year-old even revealed how the players tried to persuade president Josep Maria Bartomeu into making the deal happen, with financial fair play a risk in a deal of that magnitude.
"Neymar back to Barcelona? In football, anything can happen," Pique told El Larguero.
"We already told him: you're going to a golden prison. The doors are open for him [to return].
"What's been said, that he wants to return to Barcelona, yes [it's true].
"We told Bartomeu that if payments were deferred on contracts to adjust to financial fair play in order for Neymar to join, we'd do it."