11.   His damaged knee, operated upon twice, suffers from arthritis.

12.   In a game once, he played with a broken arm and a damaged knee for a half without knowing it, or coming out.

13.   In the afternoon, she toured Genzyme Tissue Repair, a Cambridge company that has developed technology to repair damaged knees under new US Food and Drug Administration guidelines.

14.   One of the first procedures to be done routinely through a scope was knee surgery, to trim bulging and torn cartilage from damaged knees.

15.   Postal Service lost another of its nine men Saturday when Peter Meinert-Nielsen of Denmark had to abandon competition because of a damaged knee.

16.   Standing before a camera, Martin showed how blood settles in hardened black-and-blue patches below a damaged knee that swells instantly.

17.   Such was the case even before Mark McGwire did the right thing by easing into retirement with a damaged knee, a creaky back and a sickly bat.

18.   Such was the case even before McGwire did the right thing by easing into retirement with a damaged knee, a creaky back and a sickly bat.

19.   The essence of the story is that late in the first half, he sustained a serious blow to his already damaged left knee.

20.   The hurt in his damaged knees that he still hobbles on.