Abstract: Fantasy sports systems and methods comprising receiving a fantasy lineup roster including a plurality of players, each player assigned to a playing position and one or more of the plurality of players further assigned to one or more alternative positions, assigning scores to each of the plurality of players based on statistics derived from one or more real life competitions, receiving a notification of at least one substitution event, each substitution event associated with one of the players and also associated with a substitution segment within the one or more real life competitions, and calculating a fantasy lineup score by aggregating the assigned scores of each of the players assigned to a playing position.