Which of the following pairs of "players from one team on court - sports" is correct?

I. 5 - basketball

II. 9 - handball

Only I

The correct answer is Option (2) - Only I

The correct pair of "players from one team on court - sports" is:

I. 5 - basketball: In basketball, each team typically has five players on the court at a time.

II. 9 - handball: In handball, each team typically has seven players on the court at a time, not nine.

Therefore, the correct answer is Only I.