A type of fantasy football league that allows each team to build a franchise much as would be done in the NFL. Dedication and commitment is required on the part of participants because management of rosters is often more involved than in other forms of fantasy leagues.

A long-term fantasy football league where team owners keep their entire roster each year. The draft is held in order to improve your team and the order is based on your previous year's finish.

A fantasy league in which a fantasy owner's entire team is kept from year to year and drafting is only done to fill roster spots and improve the team.

Fantasy league format in which the teams remain the same each year. Instead of drafting a new team each season, you keep the same team from the previous season, while drafting rookies and players not currently on teams.

A league in which you keep your entire roster from year to year. The next season a draft is held to improve your team. Usually the draft order is based on the previous year's finish. Dynasty leagues are a long term commitment.

A league in which you keep your entire roster from year to year. The next season a draft is held to improve your team from any players or rookies not already on a roster. Typically a long term commitment.