The Champions League debut of mason Mount lasted only nine minutes following an challenge by Valencia’s Francis Coquelin.
The 20-year-old midfielder hurt his ankle from the former Arsenal player, who obtained a yellow card following a tackle.
Before being substituted by winger Pedro mount, who has found himself in the first team under Frank Lampard since a loan spell using Derby last year, obtained extensive treatment on the pitch.
Because he limped off at Stamford Bridge, he received a standing ovation.
It’ll be a concern for Lampard who will be expecting Mount’s injury is not serious ahead of Sunday’s trip by Liverpool in the Premier League, live on Sky Sports.