Andrew Heffernan has been ruled out for the rest of the season following a string of concussions.
The 23-year-old hasn't played for over two months, last playing in the club's 31-12 victory over Widnes.
Tim Sheens has now confirmed why the centre has been absent, with specialists advising the 23-year-old not to play again this year.
“Hef Concussions rule out Heffernan for the year
Andrew Heffernan has been ruled out for the rest of the season following a string of concussions.
The 23-year-old hasn't played for over two months, last playing in the club's 31-12 victory over Widnes.
Tim Sheens has now confirmed why the centre has been absent, with specialists advising the 23-year-old not to play again this year.
“Hef
