From the heights of achievement to the despair of fallen idols, it has been a game of two halves for sport in 2013.
Rafael Nadal, Andy Murray and Serena Williams led the way on the tennis court, but sports fans saw heroes such as Lance Armstrong and Oscar Pistorius taint their considerable legacies beyond redemption.
Then there was a farewell to one of the giants of football, Alex Ferguson, who left behind a wealth of memories not just for supporters of his club Manchester United but for the beautiful game as a whole - which has suffered through controversies over corruption and future World Cups.
So what was your top sporting story of 2013? CNN's World Sport anchors share their leading selections below, and we'd like to hear your opinions too. FULL POST