Brentford go close through Fabio Carvalho, who pounces on a turnover and brushes the outside of the post with Petrovic beaten.
Bournemouth go up the other end and Ryan Christie's strike from 25-yards out takes a nick and hits the post, before the follow-up is missed by Ben Gannon-Doak.
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As a Lancashire lad I have no love for any Yorkshire team but I feel so much for Sheffield Wednesday and their staff, players, and, most of all, their fans. There's a lesson for all of us that if you sell your soul...
Michael Vaughan Former England captain and Sheffield Wednesday on BBC Radio 5 Live
It is bleak. When you have supporter trusts and many trying to say to fans not to go see Leeds United at home in the cup. You know you're in a position where the club is in a distressed state.
As we know in sport and football in particular, you can't get your club back on track if you don't have a safe pair of hands that own it.
Sunderland have failed to win any of their past four matches when conceding first in the Carabao Cup, since a victory over Blackpool on 24 August, 2021.