West Brom right back Cristian Gamboa is having a medical at Celtic.
The Costa Rica international is in Glasgow with a view to signing for the Parkhead club.
As revealed by Sportsmail at the weekend, the Scottish side turned their attention towards the 26-year-old after growing frustrated over a deal for Liverpool's Andre Wisdom.
Gamboa, who joined the Baggies in 2014 from Rosenborg, has won 47 caps for his country and played in the 2014 World Cup in Brazil.