The Sky Sports pundit says he fears the worst for the Gunners boss following Arsenal’s 3-1 defeat to West Brom on Saturday.
Redknapp criticised Arsenal’s “shambolic” defending after Albion’s Craig Dawson was unchallenged for both of his headed goals from corners.
Following the game, the pundit expressed his concerns for the Arsenal manger in the Sky Sports studio.
“That’s the sort of performance that gets managers the sack,” said Redknapp.
“Arsene Wenger has put so much trust in them [the players] over the years, he has protected them.
“Today, that was shambolic from Arsenal, Thierry [Henry] mentioned the words ‘attitude, desire, set pieces’.
“I have never seen such shambolic defending, and I feel so sorry for those Arsenal fans who have come up here in their droves today.
“I thought there would be some kind of performance, but it was diabolical today.”
It’s Arsenal’s sixth defeat in their last nine games.
The North Londoners remain five points adrift of Liverpool who sit fourth. Arsenal do still have a game in hand over the Reds, but with Manchester City next up, catching Jurgen Klopp’s side looks far from certain.