Michael Agazzi has become the latest addition to Aitor Karanka's squad after the club received his international clearance.
Here are five facts to get to know our new player...
1. Experienced goalkeeper Michael Agazzi began his youth career with Atalanta before joining Sudtirol in 2003.
2. Agazzi joined Triestina in 2004 and made 70 appearances for the Italian club in a six year spell.
3. He had loan spells at Sassuolo and Foggia before moving to Cagliari on a permanent deal in 2010.
4. Agazzi established himself firmly as Cagliari's number one choice keeper, making well over 100 appearances for the club.
5. He moved to AC Milan in 2014 but didn't make a single appearance for the Italian giants during the 2014/15 season.