What is MFL Power? MFL Power is FFToday's solution to integrate one of the most popular fantasy football league management services with FF Today stats, rankings, projections, news and more. "MFL" stands for MyFantasyLeague.com and "Power" indicates you've powered our information with data from MFL. How to Use MFL Power Simply input the 5-digit MFL League ID for your league in the available box, and click the "MFL Power It" button. The 5-digit MFL League ID is found in the web address of your MFL league as shown below. [ Close Window ]