Yeaman spent three months of the domestic season out with an ankle ligament injury, but still finished as one of the engage super League’s most potent attacking threats with 23 tries to his name.
Instead Hock will start in the second row with Adrian Morley joining Wilkin in starting the encounter on the sidelines.
Coach Brian Noble has admitted that he may yet change the look of his team again before Saturday’s game; but still had words of praise for the players he has selected.
"They've been on fire all season with their respective clubs," he said. “They've been great in practice, very enthusiastic and their attitude has been terrific.
"Jon Wilkin especially was unlucky to miss out last week, so he's now going to get the opportunity."