Forward Neville Costigan leaves Hull KR early
Hull KR forward Neville Costigan has terminated his contract to return to Australia for personal reasons.
The Papua New Guinea international joined the Robins on a two-year deal from NRL side Newcastle Knights for the 2014 season.
He made 24 appearances in his only season, scoring three tries.
The club said in a statement: "Every effort will now be made to find a suitable replacement in the forwards for Super League XX."