OB as in OBP is on base percentage which is the average of the number of time you reach base in some why, other than an error, such as walks hits or you get hit by a pitch (HBP).
Chances
Assists i think
Stolen base average
International softball federation
Out of bounds.
octopus blowjobs.
A is a fielding static for assists.
Ob/Gyn stands for Obstetrician/Gynecologist.
http://www.thefreedictionary.com/Obstetrics Or one who practices that medicine. - An obstetrician
A is a fielding statistic for assists.
you stand in a circle
An outfielder is a position in softball where you stand outside of the bases like on the field and when the ball is hit to you, you throw it in.