Just because you drafted well doesn't mean that you will win your fantasy football league this season.
Injuries happen, and players underperform every season. In some ways, fantasy football is a crapshoot. In others, it's about skill and paying studious attention to the transactions in your league; seasons are won and lost on the waiver wire.
Who are some sleepers to keep an eye on now that the preseason is over? Better yet, who is still available in your league?
Take a look below at some of the best players still on the waiver wire following the preseason, only including players who are available in more than 40 percent of leagues on Yahoo Sports.