India, May 13 -- Southampton has asked for more time to complete an internal review after being charged with allegedly spying on Middlesbrough's practice sessions ahead of the teams' games in the Championship playoffs.

In a statement on Tuesday, Southampton said it was "fully cooperating" with English soccer authorities after being charged Friday with a breach of its regulations following accusations that unauthorized filming of Middlesbrough's training took place.

The English Football League requested an independent disciplinary commission undertake a hearing "at the earliest opportunity."

The teams drew 0-0 in the first leg of the playoff semifinals on Saturday, with the return match taking place in Southampton on Tuesday. The winner...