Arsenal keeper David Ospina was tracking this one all the way, but then his own man got in the way and he was completely rooted to the ground as the ball changed direction mid-flight. Geoffrey Kondogbia's strike deflected off Per Mertesacker and Ospina could do nothing but slowly fall over like a tree that's been chopped down.Here's a better look at the deflection (and Ospina's aw, hell reaction):
[FS1]