Fantasy Football: 3 Things We Learned from Week 12

With some fantasy football leagues entering their playoffs next week, and others nearing theirs very shortly, it's imperative that fantasy owners be mindful of the shifts in usage and performance among the players on their roster.

With each week that passes, once safe players can become risky bets, some players once left for dead can become league winners, and other players can usurp the natural order and emerge from nowhere. And if you don't keep up with these changes, you're fighting with one hand tied behind your back.

Lucky for you, numberFire is here to keep you informed of these changes to give you the best chance for a playoff run. As such, let's take a look at some of the things we learned from a wild Week 12 in the NFL, and how it should shape your fantasy-football decision making.