The Spanish police have arrested the four main perpetrators involved in an online hate campaign against a Real Madrid player, they said in a statement on X on Thursday. In the post, the police didn’t explicitly named the player concerned, but Spanish media associated the arrests with the hate campaign against Brazilian forward Vinicius Junior. The four men are accused of having called on fans on the internet to shout racist insults at Vinicius ahead of the city derby between Real and Atletico Madrid on September 29. According to the El Pais newspaper, the group told fans to enter the Metropoli…