Fantasy owners' depth continues to be tested the further we get into the NFL season. To give your squad the best chance of bringing home the W -- especially in deep leagues -- you need reinforcements.

If you're not sure who to turn to as a replacement or streaming option -- even in those 14 or 16-team leagues -- don't worry, we've got you covered. Each week, we will provide a quarterback, two running backs, two wide receivers, a tight end, and a flex option who are widely available in Yahoo! leagues to plug-and-play that week.

Check out our seven deep sleepers for Week 4.