On the team pages and the free agents pages on the ESPN Fantasy Football website, a column is added that displays the Boris Chen ranking of each player on your team. If the player is not on the tier list, he will be Unranked.
By default, the extension uses PPR data from Boris Chen, but you can also choose Standard or 0.5 PPR in the options, which can be accessed from the toolbar icon or Firefox's list of extensions. If you would like the cells to be colored based on the tier, you can set that in the settings as well.
