Always struggling with his knees, during the 1960–61 he started to be afflicted by ligament damage. The physios used whatever methods they could to reduce the swellings in his knees, and as he was a big-money signing, Charles would be forced to take to the field week in and week out, despite his injuries.
The player had persistent problems with his knees, starting from the 1960–61 period, when he began experiencing ligament damage. The physiotherapists used any available methods to minimize knee swelling, and since Charles was a significant investment, he would be compelled to play week in and week out despite his injuries.