NFL defensive end Chandler Jones, who is currently signed to the Las Vegas Raiders, was arrested earlier this week in “Sin City” following a troubling social media post that surfaced online, featuring a visibly distraught Jones breaking down on camera. Chandler is the younger (but bigger) brother of UFC heavyweight champion Jon Jones, no stranger to Las Vegas arrests. The 33-year-old All-Pro was booked into Clark County Detention Center late Thursday night and remains behind bars, according to TMZ Sports. Details surrounding his arrest are unclear but the report suggests a violation of an existing protective order. This is not…