Here is the full formula for xFIP. Notice how it is almost exactly the same as the formula for FIP, with the lone difference being how each accounts for home runs. In traditional FIP, you would use the pitcher’s home run total, but in xFIP, you derive an expected number of home r...
Calculation: Calculating ERA-, FIP-, or xFIP- is very easy as long as you have three pieces of information: your player’s ERA, FIP, or xFIP, theirteam’s park factor, and the league average (ALorNL) ERA, FIP, or xFIP for that time period. Once you have those, the formula look...
characterized in that in the stabilizer solution either is the iron ion concentration 1.5 mmol/L or below or the thiosulfate salt concentration is 10.0 mmol/L or below, and that a sulfinic acid derivative of the general formula RSO2M (I) is contained in the stabilizer...