TMZ Sports has obtained the mug shots of the six men accused of scrapping with ex-NHLer Paul Bissonnette over the weekend ... and you can see, some of the dudes appeared to have bruises on their faces.
The fight, according to the Scottsdale Police Dept., went down on at around 7:30 PM on Sunday at a Houston's -- as Bissonette apparently tried to calm down some men who were quarreling with restaurant staffers.
Cops say the situation escalated quickly .