Some national bodies, such as the Deutsche Handball Bund (DHB, "German Handball Federation"), allow substitution in junior teams only when in ball possession or during timeouts. This restriction is intended to prevent early specialization of players to offence or defence.
Some national bodies, such as the Deutsche Handball Bund (DHB, "German Handball Federation"), allow substitution in junior teams only when in ball possession or during timeouts. This restriction is intended to prevent early specialization of players to offence or defence