What does opp mean in volleyball?

Answer 1

Apparently it means this:

100* [OBP/1g OBP + SLG/1g SLG - 1]

Adjusted to the player's ballpark (s)

Don't ask me what it means because it doesn't even make any sense to a fifth grader.

Answer 2

You may be thinking OBP... which is On Base Percentage

Answer 3

On base percentage plus slugging percentage

Answer 4

Opponent or opposition

Answer 5

On-base percentage plus slugging average.

Answer 6

Opponent.

Answer 7

OPERTUNITY