However, I don't know why they're all fighting. If everyone had just asked me, I could have easily explained whether or not certain players are dirty. It's easy. You look at their grooming habits and decide.
Here's an quick reference guide. Explanations are below.
As you can see, the Celtics have six dirty players and six who are not. I think this settles that argument. You're welcome.
Glen Davis - I bet he's one of those fat guys that smells like baby powder. NOT DIRTY
Bill Walker - Always looks like he has a dip in. DIRTY
Ray Allen - Impeccably groomed. NOT DIRTY
Eddie House - Beard maintenence proves dedication to hygeine. NOT DIRTY
Gabe Pruitt - Attended Southern California, home of lots of bros. NOT DIRTY
Kendrick Perkins - Probably has to wear a bib when he eats ribs. DIRTY
Kevin Garnett - Aside from chin, completely hairless. NOT DIRTY
Mikki Moore - Owns a snake. DIRTY
Leon Powe - Has two side jobs: garbageman and construction worker. DIRTY
Paul Pierce - Refuses to shower since Antoine Walker retired. DIRTY
Rajon Rondo - Smoothest skin in NBA history. NOT DIRTY
Stephon Marbury - Has a head tattoo. DIRTY