He had considered having both of his knees replaced , and still might eventually have his left knee replaced .
After the Tar Heels ended their season with a defeat against Villanova in the national championship game , Williams spent weeks seeking treatment evaluations for his ailing knees .
Williams had considered having both of Williams ' knees replaced , and still might eventually have his left knee replaced .
After the Tar Heels ended their season with a defeat against Villanova in the national championship game , Williams spent weeks seeking treatment evaluations for his ailing knees .