After lengthy discussions about the move with his family, Manu is confident he has made the right choice.
"It took us about two months to finally come to a decision," said the back-row forward. "I talked it through with my wife, we weighed up all our options and we thought it was time for a chance and a new challenge.
"I am still enjoying myself at Hull but there comes a time when you need a change and that's why I'm going to Saints.
"I'm just glad it's done and dusted. I can concentrate on trying to finish on a good note at Hull and then think about St Helens."
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