Thursday, August 18, 2011

Relative Ratings Applied to MLB

As can be found at places like coolstandings or Baseball Prospectus, I also have a methodology - using the Relative Rating method - which calculates the probability a team will make the playoffs. Regardless of the method (standard pythagorean, PECOTA, etc), you can see from clicking on the links and examining the table below, we all come to pretty much the same conclusion: we probably need some kind of division realignment.

Anyway, below you will find my version of the standings ("PWR" is the team's relative rating):

What I also thought would be interesting was to take the method a step further to determine the probability each team has of advancing through the playoffs and ultimately winning the World Series. As popular consensus suggests, a series of Phillies v. Yankees or Phillies v. Red Sox is the most likely matchup, with the Phillies having the best probablility of making it at 53% (roughly 1-1 odds). However, the Yankees at the moment seem to have a slight edge to win it all, with a 32% probability compared to the Phillies 29%. For simplicity (and statistical confidence) sake, they are both likely considered 2-1 odds to win it, which I believe aligns with the betting world.


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