The Golfweek/Sagarin Performance Index assigns a power rating
to all of the players who have played a combined 11 events on nine worldwide tours
-- PGA Tour, PGA European Tour, Nationwide Tour, Japan Golf Tour, PGA Tour of
AustralAsia, Southern Africa Tour, Asian PGA Tour, European Challenge Tour and
the Canadian Tour -- over the past 52 weeks. (List
of Top 50.).
