One of the biggest names on that market, former Leeds Rhinos and Hull FC fullback Jack Walker, is now on the brink ... Severs would be stepping away from rugby league for the time being.

Meanwhile, 21-year-old Walker had surgery last ... Leeds Rhinos Director of Rugby Kevin Sinfield said: "We are disappointed for Rob and Jack as both players were keen to make a big impression ...

Meanwhile, 21-year-old Walker had surgery last ... Leeds Rhinos Director of Rugby Kevin Sinfield said: "We are disappointed for Rob and Jack as both players were keen to make a big impression ...