(sports) Unavailable to be played according to the rules of the game in question.
2019 August 5, Mel Booth, Emelio Galantini, Aidan McCartney, “Huddersfield Town and Championship told of Bristol City stance on kicking ball out”, in Examiner Live[1]:
Bristol City have told their Championship rivals, including Huddersfield Town, that they will not be kicking the ball out of play this season, unless a player has suffered a genuine head injury.