The hosts in the midlands arguably should have done better with a number of chances, but Bournemouth were overall solid at the back, and Djordje Petrovic made some top saves when called upon.
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Iraola’s side have the worst defensive record away from home, conceding 30 goals across their 12 games on the road.
The clean sheet will be welcome respite for the side – although they have the equal second-best scoring record, too, with 51 goals for and against in away games this term.
Bournemouth manager Andoni Iraola celebrates the win with Alex Jimenez after the final whistle following the Premier League match at Molineux Stadium, Wolverhampton. (Image: Jacob King/PA Wire)
Reflecting on his team’s defensive showing, Iraola said: “I'm very pleased because also we've had some moments with the 1-0 where they were pushing us a lot.
“And I think Petro has had two very good saves to keep us there with the 1-0.
“I've always said if we are a team that defend well, we will get good results because normally we are people that score goals.
“Our improvement comes from the defensive side and I think today to find again a way to achieve a clean sheet I think it’s good for the overall feelings.”
Iraola gave some praise to Wolves, as they kept throwing bodies forward despite being rooted to the bottom of the Premier League, with just eight points from their 24 games.
Wolverhampton Wanderers' Mateus Mane (left) and Bournemouth's Adam Smith battle for the ball during the Premier League match at Molineux Stadium, Wolverhampton. (Image: Jacob King/PA Wire)
“I think Wolves is a team that has still soul,” Iraola said.
“You can feel they are losing but they are giving everything and they have good players and they put every offensive player I think they had.
“You know there is a moment where they are sending numbers and you have to survive because, you survive, the chances that you have an open game, an open transition, are big.
“I think that was the key moment of the game where they decided to put everyone up front, don't concede and then wait for the second.”