[Adam]

Originally Posted by sseltser

I think you are confusing the "dictionary" definition of "at disposal of" and the "rules" definition.

By rule, a ball which falls through the basket into B1's hands is not at the disposal of B1 until either:
- B1 walks out of bounds and faces the court, thereby actually being able to make a throw-in pass.
- or team B delays enough that the official deems that the team should be in position to make the throw-in and starts the count then.

My only quibble.