MLS doing MLS things....
www.mlssoccer.com
Apparently 3 or more players confronting a referee constitutes "mass confrontation". 2 strikes results in a fine to coach and club.
Maybe.. just maybe.. if your refs didn't suck so much there wouldn't need to be this "rule". The only consistency MLS refs have is that they are all bad. lol

MLS Disciplinary Committee issues fines for NYCFC-Toronto mass confrontation | MLSSoccer.com
NYCFC, Toronto fined for mass confrontation

Apparently 3 or more players confronting a referee constitutes "mass confrontation". 2 strikes results in a fine to coach and club.
Maybe.. just maybe.. if your refs didn't suck so much there wouldn't need to be this "rule". The only consistency MLS refs have is that they are all bad. lol