Matt Cooper out for the season

St George Illawarra Dragons centre Matt Cooper will undergo surgery to repair his pectoral muscle and will be side-lined for the remainder of the season.

The retired Australia international has had scans to the ailment and has met with Dragons medical staff who have determined surgery is required.

The Shellharbour Sharks junior suffered the injury during the second-half of the 22-18 win over the South Sydney Rabbitohs at ANZ Stadium, Olympic Park on Monday.