Roger Federer aces Novak Djokovic in the money game

Sporting a grey knee support – not exactly consistent with Wimbledon's all-white policy

Though wearing a knee brace the 37-year-old began the tournament As a result Rune was unable to play his aggressive brand of tennis

brandon t jackson lottery ticket Djokovic has been wearing a grey knee brace during every match, and he was given the “thumbs-up” by AELTC chair Debbie Jevans ahead of his first

djokovic knee brace brand American ace Frances Tiafoe is playing in a black knee support while Borna Coric sported a black arm sleeve and many players wear ankle braces