While insisting that he is happy with the players available to him, Radford remains keen to add one more new face to his ranks.
"I'm really happy with what we have got compared to 12 months ago," he told the Hull Daily Mail. "If we start the season with the squad as it is now I will be over the moon, but if we can get one more player through the door too, that would be great.
"We are still in the market. We are looking and it has to be someone who is good off the field as well as on it, it has to be the right person. If we get that person, it is a bonus, but we'll see. I'm very happy with the business we have done."
Hull FC finished the 2014 Super League season in 11th place in the table.