Delph proved the matchwinner at Villa Park on Saturday.
He insisted both red cards were justified: "If it looks like a duck and quacks like a duck it usually is. Let's just leave it at that. (Willian) has grabbed me and I've gone down. I only weigh about 3st 2lbs so it was a bit difficult for me to stay up.
"I think Chelsea is normally a very composed team. The last time I remember something similar was in a match with QPR, at their stadium."
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