The former Everton defender was sent off after receiving two yellow cards on his return to Merseyside as late strikes from Dirk Kuyt and Steven Gerrard earned the hosts a 2-0 victory.
Mancini said: "I think the referee got both the yellow card decisions wrong. Neither were worthy of cautions and the sending-off changed the game."
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms