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Christian Benteke has 12 goals in the last 12 games for Aston Villa

FA Cup final: Arsenal v Aston Villa Venue: Wembley Stadium Date: Saturday 30 May Kick-off: 17:30 BST Coverage: Watch on BBC One; listen on BBC Radio 5 live; live text commentary on the BBC Sport website, app & mobiles

Arsenal's players will be having "sleepless nights" over facing in-form striker Christian Benteke in Saturday's FA Cup final at Wembley, Aston Villa's Ashley Westwood has warned.

The Villa midfielder believes Belgium international Benteke - who has scored 12 goals in his last 12 games - is back to his best following injury problems.

"Christian is a real handful for anyone. He's back to his best now, bullying defenders," said Westwood.

"They won't want to play against him."

The Westwood-Benteke connection Ashley Westwood was signed for Aston Villa by then boss Paul Lambert on the same day as Christian Benteke (31 August 2012). He is also a former Wembley winner - he was a key part of Crewe's 2012 League Two play-off winning team, which helped earn his move.

Benteke, 24, struggled earlier in the season, short of form and fitness before Tim Sherwood replaced Paul Lambert as manager.

"I'm sure they'll be having sleepless nights about him," Westwood, 25, continued.

"I think he's back to full fitness now. He was struggling with his Achilles early on and people didn't see that, they just expected him to walk back in and fire in the goals."

But Westwood, who joined Villa from Crewe in 2012, says his side has more than just Benteke on which to rely.

Jack Grealish (left) shone in Villa's semi-final win over Liverpool

"We know how good we are, if we play like we can do we can match anyone. We've got internationals throughout the team, Fabs [Fabian Delph] and Clevs [Tom Cleverley] are on form," he said.

Fellow midfielder Jack Grealish was also singled out for praise - the 19-year-old gave a man-of-the-match display as he set up Delph's winner in his side's 2-1 win over Liverpool in the semi-final.

"He's a special talent," added Westwood.

"I'm sure he could be our match winner at the end of the day. He believes in his ability and so he should, he's a special talent and he's got the world at his feet. If he can keep playing like that, he can go anywhere."