| Batting Formulas | |
| BA | H/AB |
| OBP | (H+BB+HBP)/(AB+BB+HBP+SF) |
| SLG | (H+2B+2*3B+3*HR)/AB |
| OPS | (H+BB+HBP)/(AB+BB+HBP+SF) + (H+2B+2*3B+3*HR)/AB |
| RC | ((H+BB)*(H+2B+2*3B+3*HR))/(AB+BB) |
| BABIP | (H-HR)/(AB-K-HR+SF) |
| ISO | SlgPct - OBPct |
| K% | K/PA |
| BB% | BB/PA |
Run Differential Predicting Team Performance:
http://www.baseballprospectus.com/article.php?articleid=23497
| Pitching Formulas | |
| K/9 | K*9/IP |
| BB/9 | BB*9/IP |
| K% | K/BF |
| BB% | BB/BF |
| LOB% | (H+BB+HBP-R)/(H+BB+HBP-(1.3*HR)) |
| BABIP | (H-HR)/(AB-K-HR+SF) |
| FIP | ((13*HR)+3*(BB+HBP)-(2*K)/IP)+FIP constant |
| FIP Constant | 3.68 |
| ERA | (ER/IP)*9 |
