​Guus Hiddink confirmed that Diego Costa punched a hole in the Stamford Bridge tunnel wall after Chelsea's 2-2 draw with West Brom on Tuesday night, but played down his striker's angry outburst. 

The Spain international has refound form since Hiddink was appointed to replace Jose Mourinho, but reverted to type after spurning a good chance early in Wednesday's game - trying to get Claudio Yacob sent off, arguing with Jonas Olsson and squaring up to goalkeeper Boaz Myhill at full time, before he took his frustrations out on the tunnel. 

After the game, ​Hiddink said"How close to the line was he? I think there was little space left. But no, they were challenging each other. The defenders, and that's their right, were provoking him a little bit, but in a mutual way. Those clashes are normal. I didn't see any bad things.

"A hole in the tunnel wall? We can repair that easily, it's not a problem. He's an emotional guy and I like that very much. If you have to push players it's difficult to survive in the Premier League, but if you have to control them it's much better."

Blues keeper Thibaut Courtois blamed the Baggies players for the nature of the game, claiming that the visitors tried their best to provoke his teammates throughout the match. ​He said: "It was a tough game with them playing only long balls, second balls. They tried to provoke players and it was a bit frustrating. We tried to do our best, we came back (in front at 2-1), but then sadly they got the second goal. 

When asked if he thought that Yacob should've been sent off, he said: "I think so. With the first yellow you can maybe agree it was just a normal foul and you don't give a card. But the second time their manager (Pulis) took the player off one second after so I think everybody will know it was very clear (he should have been given a red card). The dressing room is very disappointed. That was a game we wanted to win."

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Chelsea v West Bromwich Albion - Premier League