The Turin club are looking for an experienced goalkeeper to succeed Michele Di Gregorio, and Martínez has re-emerged as one of the leading candidates on their list. Juventus chief Giovanni Carnevali is understood to have been working through multiple options during the World Cup period.
The financial gap between the clubs has been the main obstacle. Villa have been asking for €10m plus bonuses for the 33-year-old, a figure that Juventus consider too high — their preference being to pay closer to €5m for the player's registration. A personal terms agreement is already in place, with Martínez understood to have agreed to a contract worth €5m per season.
According to TMW, a small concession is now coming from Birmingham, suggesting Aston Villa may be willing to negotiate below their original asking price. Whether the two clubs can close the remaining gap will determine whether the move comes to fruition before or after the World Cup concludes.
For Martínez, the transfer would represent a new chapter at one of European football's most storied clubs, with Juventus offering Champions League football and a stage befitting a goalkeeper widely regarded as one of the best in the world.
Martínez is currently focused on Argentina's World Cup campaign, where the holders are among the favourites to retain the title. Any formal resolution of his club future is expected to wait until after the tournament concludes.
Juventus's search for a goalkeeper has been one of the more protracted stories of the summer, with several options considered and set aside before Martínez re-emerged as a serious candidate. The club's desire for a proven, experienced operator between the posts has remained constant, and the Argentine's World Cup profile only strengthens his case as the right profile for what Spalletti's side will need next season.