The two attackers were both present on Tuesday and appear likely to feature against the French champion at Stamford Bridge in a vital encounter for both sides.
Chelsea has been handed a boost ahead of the club's Champions League last-16 second-leg fixture against Paris Saint-Germain on Wednesday as both Pedro and Diego Costa were able to take part in training.
The Blues trail 2-1 from the first leg, but after overcoming a 3-1 deficit against the same opponent two seasons ago can still harbor hopes of progression.
Those hopes have been boosted with the encouraging signs on the training ground, which suggest both of the forwards will be ready to play at Stamford Bridge.