Playing with Numbers: VORP

Albert Pujols, Alfonso Soriano, Victor Martinez, J.J. Putz, Chien-Ming Wang … the disabled list keeps claiming more and more front-line players as the season continues its annual epic journey from April to October. You don't need to have a long list of stats in front of you to know that replacing players of their caliber will not be easy. The St. Louis offense surely will take a hit from Pujols' misfortune, just as the Cubs will be worse off thanks to the loss of Soriano. But which player's absence will be harder to cope with? Is there a way to truly quantify a player's value to his team? Well, there is. It's called VORP, and we'll discuss it here today.

What is VORP?