Career
Casalinuovo also has an Italian passport, due to descent. Casalinuovo began his career with Velez Sarsfield, graduating through the youth ranks and featuring twice for the first team After a year with Platense, Casalinuovo joined Scottish Premier League side Dundee United in 2009.
United believed that there would be no transfer fee to pay, but a Fédération internationale de football association tribunal later ordered them to pay €400,000 (reduced to €230,000 on appeal).
He also scored on his second appearance for the Rovers against Partick Thistle at Stark"s Park before being recalled in mid-September. Damian signed for Hamilton Academical on 31 August 2010 for an undisclosed fee, on a two year deal.
On 11 April 2011, Casalinuovo was released by Hamilton, having made 19 appearances for them in the Scottish Premier League. On 6 January 2012 Damian rejoined Raith Rovers until the end of the season.
After making eleven appearance and scoring three times he left the club
After leaving Rovers, Casalinuovo announced his retirement after a back problem forced him to retire and has since moved back to his native Argentina to become an accountants