This is not the final adjustment, however: while the replacement's run total will be park-neutral (by definition, because replacement numbers are derived from league averages), the player's raw numbers won't be. Before calculating the VORP, the individual player stats must be normalized via park factors to eliminate the distortions that can be created by each ballpark, especially extreme parks like Coors Field in Denver (where the thin high-altitude air allows baseballs to travel farther than at sea level, although the humidor has significantly decreased the runs scored in Coors Field, to the extent that Denver is no longer considered a pure hitter's haven) and Petco Park in San Diego (where the heavier sea air couples with distant fences to suppress run-scoring). After the final adjustment, the resultant VORP may be used to estimate how "valuable" the player in question is by providing a good picture of that player's marginal utility.