Tziolis will undergo a medical in Tuscany on Saturday, before completing the deal.
The 24-year-old has spent most of his career in his homeland, but had a spell on loan at Weder Bremen in the 2008/09 season.
Tziolis will undergo a medical in Tuscany on Saturday, before completing the deal.
The 24-year-old has spent most of his career in his homeland, but had a spell on loan at Weder Bremen in the 2008/09 season.
