Aston Villa are preparing for a big summer ahead.

After a difficult first season back in the Premier League Dean Smith's side will be hoping to make a big improvement this time around.

Villa avoided the drop on the final day of last season as Jack Grealish scored a last-gasp goal to secure their safety.

But this season is going to be an even bigger challenge.

With Leeds United, West Brom and Fulham now in the top flight, the battle to avoid relegation is likely to be even more competitive.

That means that Villa need to be on their game from the first match.

They certainly seem to be taking the challenge seriously though, with a couple of excellent signings already on board.Matty Cash was first to arrive for a fee of £14million from Nottingham Forest, before Ollie Watkins completed his big-money move from Brentford.

But they're not done yet.

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Villa are determined to sign a goalkeeper and according to the latest reports they're keen to step up their interest in one player in particular.

Reports from Football Insider have claimed that Aston Villa have tabled a second offer for Emiliano Martinez.

It's claimed that the offer is worth around £15million as they look to convince Arsenal to sell their number two stopper.

Arsenal value the goalkeeper at £20million and are likely to hold out for a fee closer to that amount.

GIVEMESPORT'S Phil Spencer says...

Aston Villa certainly mean business this summer.

After narrowly missing out on relegation they are determined to push themselves into mid-table this time around to avoid the drama.

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A goalkeeper is certainly top of the list of targets, and that's something that Villa need to address sooner rather than later.

Emiliano Martinez would be an excellent addition.

Valued at £7.2million by Transfermarkt, the Arsenal man is certainly highly-rated by Mikel Arteta, but his future is unclear.

Bernd Leno is the first choice stopper for the Gunners, and Martinez certainly deserves to be playing regular first team football.

If Aston Villa can offer him the opportunity to do that, then you'd think that he would jump at the chance.

If Dean Smith's side can negotiate a fee with Arsenal then this is a deal that would suit all parties.