Former Benfica and Tottenham defender initailly joined Pompey for the second half of the 2009/10 campaign but then rejoined the Blues in September 2010.
He was named man-of-the-match for his display in the 2009/10 FA Cup semi-final victory over Spurs at Wembley and also played in the narrow defeat to Chelsea in the final.
Rocha began his career at Sporting Braga before moving to Portuguese giants Benfica – where he won the league and cup – in 2002.
While at Benfica he won the first of his six international caps for Portugal.
Rocha moved to Tottenham in January 2007, but made just 18 appearances during an injury-hit two-and-a-half years with the north London club.