Initial position eligibility for each player was determined based on past participation and information supplied by NBA teams during the off-season.

Players are eligible at one or more positions during the current Yahoo! Sports Fantasy Basketball season depending upon their real-life participation.

All position eligibility requests are reviewed by Yahoo! Sports and confirmed with our NBA sources. Due to the nature of the review process, we're unable to comment on each individual player request.

Updates are made during the regular season based on changes to the lineups and official team rosters. Players don't lose position eligibility when moving from one real-life position to another. So, if a forward starts to play regular shifts as a center, he's eligible for the remainder of the season as a forward and a center.

New positions are added when it's confirmed that a player's primary position has changed and that the change is not expected to be a temporary one.

When a player has earned eligibility at a new position, it will be displayed wherever player positions are shown.