LONDON: A long list of injured players and a tendency to pick up red cards are among Chelsea manager Enzo Maresca’s main concerns before Wednesday’s Champions League clash with Ajax Amsterdam as they look to steady the ship after a tumultuous September. Midfielder Enzo Fernandez may return to action after missing a week with a knee issue but Maresca said Chelsea would not rush the Argentina international back as they look for their fourth straight win in all competitions. “Enzo took part in the session yesterday. We have one more session this afternoon and we will decide with him tomorrow.