MLB · run differential

Baseball, by the runs that matter.

Team-season run differential and the Pythagorean win expectation (R^1.83 / (R^1.83 + RA^1.83)) from the Lahman database — the canonical split of skill from luck. The third sport on our legal source registry, served through a multi-host failover so one outage never drops the feed. Real stats, not a pick.

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Baseball data from the Sean Lahman Database, licensed CC BY-SA 3.0. How we source data