Arsenal legend Bob Wilson says Petr Cech should have played last night against PSG.
Wilson has suggested Arsene Wenger made a mistake by starting David Ospina between the sticks over Cech.
The 75-year-old, who racked up 234 league appearances for the Gunners from 1963 to 1974, said: "David Ospina is a terrific goalkeeper.
"But when we're wanting to be champions of Europe you have to play your best team. If you really want to get that title.
"And clearly, week in week out, Petr Cech is performing above David Ospina."