Welcome to the first week of the fantasy playoffs (for most leagues). Now more than ever, the flex position is key to success. You know you need to start a certain number of running backs and wide receivers, but when it comes to the flex, it comes down to matchups and your scoring system.
By now, you should continue to go with what works in your league. In most PPR leagues, starting a wide receiver in the flex spot is usually the best bet, unless you also have a pass-catching running back you're also debating.
For help on choosing your flex, consult the rankings below:
Fantasy Football Rankings powered by FantasyPros
— Written by Sarah Lewis, who is part of the Athlon Contributor network and lives, eats, and breathes fantasy football. She also writes for SoCalledFantasyExperts.com among other sites. Have a fantasy football question? Send it to her on Twitter @Sarah_Lewis32.