A 5f
No such category in baseball.
If you mean: 5f+10 = 10f then the value of f works out as 2
team
Position
caught stealing
Batters Faced.
Stolen bases.
Offensive Errors
e = 5f f = e/5
5F stands for 5 Francs, the currency of France before the conversion to the Euro.
It means Games Behind.