Running backs have traditionally been the choice if you've owned the No. 1 overall pick in your Fantasy football drafts. However, it's an injury-prone position because of all the high-impact contact and occasionally a wide receiver or even a quarterback (depending on your league settings) comes along to insert themselves in the conversation.

Rankings are important when drafting, but it's even more crucial to know where value drops off at each position. Eric Karabell breaks the WRs into tiers.