In order to receive entry Johnson underwent a two-hour examination before three attorneys and a judge.

In August 2007, Johnson underwent successful quadruple bypass heart surgery.

The initial six dates on the leg were postponed after Johnson underwent a medical procedure which subsequently required rest.

People familiar with the case said that Johnson had undergone a similar review in the past and had prevailed.

So in 2004, Johnson underwent surgery to repair the disc.

In any event, Johnson recently underwent knee surgery again, which a person with knowledge of the injury described as "career-threatening."

Johnson sustained a broken femur and underwent surgery that night to repair his injuries.

Johnson sustained a broken femur and underwent surgery that night to repair the injury.

But Johnson underwent hand surgery and withdrew from the team.

Johnson also injured his knee, during practice on Wednesday, and underwent surgery a day later.