data-mm-id=”_utky00pic”>Old heads will argue with the younger generation about whether the quality of rap music is better today than it 20 years ago, but the one thing everyone can agree on is that this decade of rap is lacking rap battles. No one wants to go back to the days of the late '90s, when such beefs would escalate to the point of shootings, but the rap game is far more entertaining when two lyricists enter the booth with only humiliation and domination in mind. Damian Lillard and Shaquille O'Neal are the two most prominent basketball players who have moonlighted as rappers since the turn of the century. Lillard has even released albums, while Shaq's adventures into music during the early 2000s have been well-documented. Last week, Lillard went on the Joe Budden…