On 2 May 2010 Chacarita Juniors faced Estudiantes de La Plata in the 17th round of the Clausura 2010 championship. Both teams needed the win, Chacarita would be as good as relegated without the 3 points and Estudiantes needed the points to stay at the top of the table ahead of Argentinos Juniors and Independiente.
Chacarita took an early lead with a cracking strike from Omar Zarif, but it seemed that the referee was favouring Estudiantes who had already benefited from other dodgy refereeing decisions that season, without which they wouldn't have even been at the top of the table.
When the referee awarded a penalty and sent off Chacarita defender Lisandro López (no not that one) for a blatantly unintentional handball on a shot that was going well wide anyway the Chacarita fans began to riot.
Estudiantes scored the penalty and then made it 2-1 against the 10 men, meanwhile the police had instructed the fire service to hose down the Chacarita fans to cool their tempers. At some point one of the Chacarita fans managed to grab the hose which was quickly hauled into the stand by the fans and turned on the police and firemen to give them a taste of their own medicine.
Estudiantes held on to win the game 2-1 but lost the championship race to Argentinos Juniors, Chacarita Juniors were relegated at the end of the season at the bottom of the relegation table after only accumulating 0.842 points per game.
For more crazy South American football check out the rest of the Cosas locas series.