Wolves boss Mick McCarthy has called for Chelsea manager Andre Villas-Boas to be given time to make his mark at Stamford Bridge.
Chelsea has lost three of its last four league games and were beaten 2-1 by Bayer Leverkusen in the Champions League on Wednesday night.
But McCarthy likened the current scrutiny that Villa-Boas is under to the spotlight being focused on Arsene Wenger earlier in the campaign before he revived Arsenal's fortunes.
And he also rubbished the theory that the 34-year-old is too young to manage in the Premier League.
McCarthy, whose side visit Stamford Bridge on Saturday (live on FOX Soccer, 9:30 a.m ET) said: "Look what Villas-Boas achieved in Portugal. You don't achieve that unless you are good.
"He is good but he has come into a different team that is changing. If he is as good as everyone thinks he is, let him get on with it, but it takes time.
"People think you can just turn up because good players are there and it's an easy task, but it's not. It take...