Tuchel has a lot to ponder after giving young guns chance against Saints

Thomas Tuchel is not afraid to make bold calls. Half-time substitutions worked in the wins over Aston Villa and Tottenham, but failed as Chelsea lost to Manchester City and Juventus in the past week. On Saturday, he made his big changes before kick-off, recalling a clutch of young English players, as big-name signings Hakim Ziyech, Kai Havertz and Saul Niguez watched on.