Two good and two bad things

After 1-1 in the first match of the Champions League group stage between Paris St. Germain and Arsenal, there are two good conclusions for Arsenal:

• That the reserve goalkeeper David Ospina is in great form (he basically saved Arsenal)
• The result

For Paris St. Germain, there are two bad conclusions from the match:

• Edison Cavani's number of missed chances 
• The result