Why Liverpool lost! They were fighting before the match

Both of Chelsea's goals were a direct result of a lack of concentration from one or more Liverpool players.
Luis Suarez and Martin Skrtel had appeared to come to blows in a Liverpool training session on Friday, in perhaps the first sign that there is trouble in Merseyside paradise.

Losing concentration in a key match could be as a result of discontent with your team mates . Couldn't it?

Even Coutinho had a burst-up with Skrtel.