Jagielka says strength in depth is important at centre - half but is confident he and Williams are forging the type of bond he had with other defenders at the club .
Jagielka has been forced to pull out of the England squad with a thigh problem .
Jagielka , who has been forced to pull out of the England squad with a thigh problem , says strength in depth is important at centre - half but is confident he and Williams are forging the type of bond he had with other defenders at the club .