ADRIAN Heath today issued a defiant warning to Burnley's Second Division rivals: 'You ain't seen nothin' yet'.

The Clarets boss was beaming after a 2-0 drubbing of promotion-chasing Wrexham that lifted Burnley to fifth in the table, only three points behind leaders Brentford.

Describing the performance as Burnley's best of the season, Heath enthused particularly about the performance of the younger players.

But he insisted that Burnley are still not anywhere near their potential.

However, Heath's satisfaction was tempered by the news that defender Gerry Harrison will miss the big game against table-topping Brentford on Saturday week.

Harrison's booking against Plymouth on Saturday brought him over the quota for disciplinary points resulting in a two-match ban, the first of which is Brentford. "Obviously, you don't want to have to change a winning side but we've got plenty of cover for Gerry Harrison," said Heath.

"Big Vince (Overson) is there after sitting patiently on the bench for a number of matches.

"And one of the things we're beginning to realise at this club is that there are people here who can play a number of positions.

"If it is Vince that is brought back in, it will be up to him then.

"I've said all along that if a player performs when he's on the pitch then he'll keep that shirt.

"And the players on the bench have been superb in appreciating that.

"So Gerry Harrison, although he's been playing well, won't automatically get back in the side when his suspension is over.

"When you lose your place through injury, illness, suspension, whatever you face a battle to get back in the team.

"And that's a healthy situation we have at the club."

It is this strength in depth which most explains Heath's positive outlook. And what he has asked of the players so far, they have delivered.

"It feels as though a lot of the things we've been working on over the last six months or so have been starting to bed in now," added Heath.

"And everyone knows what's expected of them not only in terms of playing but in terms of physical commitment to the cause.

"I can't fault any of them for that last night.

"I thought they were absolutely superb.

"I honestly believe there's a lot more to come from them.

"We've got a lot of good players.

"We aren't anywhere near full potential at the moment.

"I think there's still a lot more to come from some of our players."

Heath believes that if he can coax that something extra out of them, Burnley will begin to realise the potential he sees for the club. "I know from the feedback you get from other managers, most people thought we would come a little bit closer than we have been," he said.

"If we continue to work as hard as we did last night, if we continue to show the same appetite to win games, then we will win more than we lose with the players we've got.

"I've probably stuck up for the young lads more than most.

"There's one or two of them have had settling in problems I think.

"But we've kept faith with them and if they keep playing the way they are they'll keep their place.

"I can't be more honest with any of the players as we've proved with Swanny.

"He hadn't had a game, he's come in and he's been outstanding in the games that he's played.

"And if they do, like Chris Brass, they'll keep their place.

"And then it's up to people to dislodge them when they get their chance."

Tickets for Burnley's FA Cup second round tie at Walsall on Saturday are on general sale. Fans are reminded that the game is ALL TICKET.

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