Value Over Replacement Player, Keith Woolner's method of evaluating baseball players. VORP ranks players by comparing their run production (for batters) to that of an imaginary "replacement-level" player that teams can acquire for the league-minimum salary.[1]
^For accessible summaries, see Rob Neyer, "The World According to VORP", ESPN.com (February 2, 2007) and Derek Jacques, "Prospectus Toolbox: Value Over Replacement Player", BaseballProspectus.com (May 15, 2007).