The tiniest touch from the defender pushed Fredericks' left leg onto kicking his right leg, so he tripped up. It is a tiny touch from the defender and very harsh, but it wasn't "just a dive".
What is amazing for me is that Soldado's first goal went in off the post, his second nestled right into the corner, this third could/should have been saved as the keeper got good hands on it... against Saudi Sportswashing Machine all 3 would have stayed out, but tonight they've all gone in and the headlines will be saying he is now a completely different player.