Monterrey are through to the round of 16 at River Plate's expense, while Mamelodi Sundowns bowed out with many admirers. Here's what you need to know from Wednesday's Club World Cup action.

River Plate exited the Club World Cup in extraordinary fashion, having two players sent off and seeing Marcos Acuna dragged to the ground by a group including Inter coach Cristian Chivu as the defender attempted to pursue Denzel Dumfries down the tunnel after a 2-0 defeat.