MLB Relative Power Index (RPI) - 2023
Season:
Glossary
- W: Wins
- L: Losses
- PCT: Winning percentage
- RPI: Relative Power Index+
- SOS: Strength of schedule
- PWR: ESPN Power Ranking
- RS: Runs scored
- RA: Runs allowed
- EXW-L: Expected W-L*
- EXWP: Expected winning percentage*
*ExW-L and ExWP are derived from Bill James' Pythagorean theorem of baseball: Runs scored [squared] / (Runs scored [squared] + runs allowed [squared]). This formula was designed to relate a team's runs scored and runs allowed to its won-lost record.
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