Gary Cahill thinks Chelsea's gruelling fixture list is harming their chances of qualifying for the UEFA Champions League.
"Unfortunately, it does take its toll," he told Chelsea TV"I think sometimes a little bit of fatigue plays its part.
"We haven't had a clear week for about 29 weeks and you're expecting to go into games feeling 100 per cent fresh, trying to push on further in all competitions.
"They (Manchester City) had a clear week and we've had a ridiculous amount of games. I think it told, I thought they were a lot fresher and sharper."