Graeme Souness has accused Arsenal of not being a "proper team" after their second-half performance against Watford.
The Gunners raced into a 2-0 lead in the opening period at Vicarage Road, only to concede twice after the break to draw 2-2.
And Souness was unimpressed by the manner of their collapse against Quique Sanchez Flores's side, as well as Unai Emery's choice of substitutions.
"It was as if this is the first team in the first half, and we'll put the second team on in the second half. They capitulated.
"Proper teams don't play like that. Proper teams don't have a half like that in the first half, and then play like that in the second half. Proper teams just don't do that.
"He brings on kids [Joe Willock and Reiss Nelson]. That was a game where, at 2-1, it was time to dig in and regroup and make sure you're not going to lose the game. And they should have lost the game in the second half, because when the kids came on they were all over the place.
"It was like a game of basketball, and I think if you're an Arsenal supporter that would deeply worry you."
Emery's side travel to Eintracht Frankfurt in the Europa League on Thursday, before hosting Aston Villa in the Premier League on Sunday.
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