The 26-year-old has struggled to make an impact after arriving on loan from Atletico Madrid in the summer transfer window.
Chelsea defeated Southampton 4-3 on penalties after a 1-1 draw at Stamford Bridge. Kai Havertz for the blues and Adams for the Southampton scored the goals for their teams during normal time.
Recall that Niguez has only featured once in the Premier League for Chelsea so far this season and was hauled off at half-time following a woeful debut display against Aston Villa some weeks ago.
“We thought let’s keep him [on the pitch] and give him the minutes. It was a good step for him.