In the WWE every so often we hear something which sticks in our minds for quite a while. It can be CM Punk dropping his infamous pipebomb or The Great Khali murdering the theme music of The Heartbreak Kid Shawn Michaels; there is always something every WWE fan remembers whether it be positive or negative. Along with these we have also witnessed some of the best disses in the WWE. Sometimes they are simple yet effective whilst other disses take longer to get to the point but remain just as impactful. Either way in the year 2013 we witnessed some of the best and funniest disses in the WWE. Even before clicking the next button you can guess who are guaranteed entrants in the list, guys like CM Punk, Paul Heyman and The Rock never fail to amuse and in 2013 all three managed to deliver disses which will be remembered for a variety of reasons. So which diss will be crowned as the best of 2013? The Rock? CM Punk? Or even a dark horse who delivered a brilliant diss in a brilliant promo. Let's take a look at the 20 greatest disses the WWE brought us in 2013.