Agree with Haf that Silva shit the bed here. Completely unbalanced us by taking off Richarlison and bringing in Mina. You could see immediately how it exposed us. The right move at that time was Schneiderlin for Gomes. Infuriating really.
The defenders also hold a big helping of blame for the first goal. Totally amateur. Everyone ball watching, four or five defenders all go to Perez and leave Rondon completely unmarked.
We also should have Had a third a couple times. Bernard should have squared to Richarlison who was wide open,then Richarlison with his terrible touch really let us down.
The offside not given hurt too but our inability to show character was the real problem