You don't have to go back years to see incidents of our own players roughing the opposition up, Daniel Agger was lauded by our fans when he shoved his forearm into Torres's face in Torres's first game against us for Chelsea, our fans were made up when big Soto went through Fellaini in the derby (a challenge btw that saw Fellaini out the game for 6 months), Flanno was similarly lauded when he went through Raheem when Raheem returned to Anfield with City.
Hell, Luis Suarez was adored by our fans and he actually latched onto Ivanovic's arm with his teeth like a rabid fr[igg]ing pit-bull!
If Suarez was 27 again though and wanted to come back every single Liverpool fan would be begging and imploring the club to bring him back. That's the hypocrisy of all this.
The truth is we couldn't care less about foul play or dirty players, we only give a f[vc]k when we are on the wrong end of it, that's when we start clutching our pearls.
If our fans would have boo'ed our own players in those instances and launched petitions to get them banned we might have a leg to stand on.