Chelsea booked their passage to the semi-final of the Carabao Cup on penalties after Mykhailo Mudryk's stoppage-time equaliser rescued a 1-1 draw against Newcastle at Stamford Bridge.
Mauricio Pochettino pledged to keep open a path to the Chelsea first team for academy graduates who prove themselves good enough.
Mauricio Pochettino admitted that Chelsea felt the need to take "drastic action" after their defeat against Everton, and was proud of his team's response in Saturday's 2-0 win over Sheffield United.
Chelsea recovered from a dour first-half showing to beat Sheffield United 2-0 at Stamford Bridge and claim back-to-back Premier League home wins for the first time in over a year.
Chelsea have confirmed skipper Reece James sustained a hamstring injury in Sunday's 2-0 defeat at Everton.
Mauricio Pochettino believes Chelsea need more transfer window surgery in January to lift them out of the malaise which has left them 12th in the table and well adrift of Champions League qualification.