Tony Docherty is confident Sam Cosgrove will need only one chance to punish Celtic this Saturday.
The Aberdeen No.2 insists the striker's goalscoring heroics are fuelling belief they can pull off an upset at Parkhead.
The Dons took heavy beatings from Celtic and Rangers earlier in the season but demonstrated their ability to defy the odds with a stirring comeback against the Ibrox side two weeks ago.
And with Cosgrove on 19 goals already this season, Docherty knows they have a goal threat when they get up the park.
"In the Rangers game we went down 2-0, a lot of teams would have folded in that situation," he said on the club's official website.
"We came back fighting and we almost won the game. It is that type of performance, that mentality that we need on Saturday.
"We have got an abundance of players in that dressing room that have shown that we have got the mentality and we illustrated that against Rangers. We will be looking for that again. Sometimes it is goals that win games.
"We don't go down there with any preconceptions that we are in the tunnel and we are already beat.
"We have got a game plan to take Celtic on and hopefully if things go well for us, we can execute that.
"As much as we need to control the game, have the balance between attack and defence, we have got a striker there that given one chance will score.
"Going into Saturday's game we know that we have a striker there, from the work we put in during the week, the way he is feeling, he is confident that he will score."
