The Zero RB Theory gained popularity in 2014, but many fantasy football players still don't understand the concept behind this strategy.

Jack Delaney, a top-40 finisher in the 2014 Rotobowl, explains the theory, details the pros and cons, showcases how and when to execute on the theory, provides altered strategies and even includes his thought process on an actual mock draft.

You won't find what players to target here, but you will learn how to implement the strategy, and what to look for in your 2015 fantasy football draft. Delaney tells players not to blindly follow the theory, and he wants readers to make their own decisions on their 2015 fantasy football strategies.