"We're satisfied with the way things went last night, we thank Montrealers for being able to rejoice in peace, respecting each other and respecting property," Insp. David Shane said in an interview.
"Obviously, a few individuals or a few groups of individuals decided otherwise and decided to take it to another level, but fortunately our police officers were very professional, very patient."
Police said the arrests were for assault, armed assault or obstruction — all against police officers. Eight police vehicles were vandalized and at least one was overturned.
Around 9 p.m. on Thursday, police began restricting people from entering the area near the Bell Centre to avoid overcrowding. Eventually, exuberant fans began jumping on the cruisers, which were positioned strategically to block traffic and keep revellers safe, Shane said.