Alastair Cook and Stuart Broad were appointed as the new captains of England\'s one-day international and Twenty20 teams respectively, it was announced here on Thursday. Andrew Strauss, who has retired from one-day internationals, remains Test skipper meaning England now have separate captains for all three international formats. Cook, Strauss\'s opening partner in Tests, was not even a member of the England side at the recent one-day World Cup in the subcontinent. Broad replaced all-rounder Paul Collingwood as Twenty20 captain.