LIS- What are you talking about Suarez not doing it every game? He definitely does it just as often as RVP in big or small games. Also, I'm not going to even begin to think Liverpool's midfield or other supporting attackers on are United's level. United are just better than Liverpool at the moment. Shockingly, they might have a weaker defense than Liverpool, but Liverpool haven't been too great themselves. Stats don't say everything about how they play. Just look at the players on Liverpool, and look at the players on United. With a few exceptions, the United players are just better currently. I don't like it, but it's true. Players like Downing and Henderson wouldn't see the field at United at the moment.
In the end, they are statistically very close, and they are both the main attacking influence for their team. The only major difference is Liverpool has far less players scoring as well.