You know the type. Athletes who have had one or two good seasons, a highly noteworthy stretch of time, or just one phenomenal game, and suddenly they're one of the hottest commodities in sports.
Not exactly an adequate performance sampling size, but these days everyone is on the lookout for the next big thing. Sometimes a small sample is all that's necessary to identify greatness—don't act fast and you'll miss it.
After all, opportunity rarely knocks twice.
Everyone knows that sports is a multi-billion dollar a year business, so teams are constantly on the hunt for new talent. Some are so desperate that they'll keep paying an athlete who has never proved himself, even in a short burst.
Potential alone is often all that's required to convince enough people of talent. Although "convince" might be too generous an assessment, "trick" is more like it. And today it happens all the time.
Here are 20 athletes who tricked us into thinking they were good.