That nugget of conventional wisdom "there's no time like the present" may hold true for most aspects of life, but for sports, it requires a slight modification. I propose the following: "There's no time like a few seconds from the present when you're sure the shot has been sunk, the pass has been caught, the goal line crossed, the final buzzer sounded, and the penalty flag is still firmly clipped to the ref's belt."
Such wisdom is needed now more than ever; 2012 has proved to be a banner year for gaffes of the premature celebration ilk.
Click on for the ultimate collection of them. You'll find both new instances and all-time classics. All painful. All hilarious. All utterly humiliating.
Let the red-facing begin!