Portuguese outfit Porto have signed the controversial former Southampton striker Dani Osvaldo, reports Sky Sports.

The Argentinian was a free agent after being released by Southampton in July, halfway through his four-year contract.

The 29 year old joined Southampton from Roma in August 2013 for a club-record deal which was worth up to £14.6m but was loaned to Juventus after head-butting Saints captain Jose Fonte in a training-ground incident.

Porto will be the 12th club of Osvaldo's chequered career, which began with Huracan in Argentina.