LEADERSHIP: Rafael Nadal has withdrawn from his Indian Wells semi-final against Roger Federer with a right knee injury. The world number two received treatment to the knee during his gruelling quarter-final win over Russia's Karen Khachanov on Friday. The Spaniard looked in discomfort during the match and only had a brief practice session on Saturday. Nadal The post Nadal Withdraws From Indian Wells Semi-final Against Federer appeared first on Leadership Newspaper and Nigeria News. Click here to read full news..