Chelsea were made to work so hard to defeat Southampton on penalties to qualify for the quarter-final of the EFL cup.
Che Adams cancelled Kai Havertz goal to take the match to penalties.
Recall that Chelsea whitewashed Norwich 7-0 last weekend but could not defeat Southampton during the regulation time.
Nevertheless, Chelsea won 4-3 to qualify for the last eight.
Arsenal are also through to the quarter-final after second half goals from Chambers and Nketia gave them a two goals victory over Leeds United.
Queens Park Rangers also qualified after defeating Sunderland 3-1 on penalties after full time had ended goalless.