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Will the floodgates open now or will Wigan draw inspiration from Salford City from yesterday?

They conceded in the sixth minute at Man City but kept it tight until late on, where it then finished 2-0.

Lucy Ward
Former Leeds striker on TNT Sports

What a pass from Eze. Straight pass up the pitch, straight run up the pitch, perfect.

That's a terrific ball and very hard to stop. What a finish.

I guess the plan for Wigan is to keep it tight for as long as possible and with a ball like that from Noni Madueke, they might not struggle to do so.

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All four of Arsenal's goals in the 4-1 win at Portsmouth in the third round came from set pieces but they decide to go short this time to Myles Lewis-Skelly. He has a go but it's about a yard over the top.

Noni Madueke plays the ball inside to Gabriel Jesus in the box. He twists and turns but has the ball taken off his toe.

Here come Arsenal again and Eberechi Eze's effort goes behind for a corner.

Alex Howell
BBC Sport Arsenal reporter at Emirates Stadium

Bukayo Saka looks to be playing as one of the middle three for Arsenal.

Noni Madueke from the right, Gabriel Martinelli from the left and Gabriel Jesus as the striker for the Gunners.

It's Arsenal who take control of the ball in these opening stages, as expected.

The rain is coming down heavy at the Emirates but the pitch looks better than it has in recent games.

Lucy Ward
Former Leeds striker on TNT Sports

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There has to be a bit of relief for Wigan. This has to be an afternoon that they enjoy.

Imagine seeing one of the opposing players is injured in the warm-up and the player they bring into the starting XI is Bukayo Saka.

Alex Howell
BBC Sport Arsenal reporter at Emirates Stadium

A really late change as Riccardo Calafiori drops out the team and Bukayo Saka comes in to start.

That's unfortunate for Myles Lewis-Skelly who was coming in to start in midfield but he has now dropped back to left back.

Maybe he will get some minutes in midfield later in the game.

Youngster Ceadach O’Neill comes in on the bench.

Wigan get this FA Cup fourth round tie under way.

Matt Smith recalls the methods Mikel Arteta used at pre-match team meetings to keep players engaged, including games of Pictionary focusing on opposition players and tactics.

"It was very different to other team meetings," said Smith. "It would always be a game to get the energy and camaraderie up.

"It was all about getting our brains switched on, getting everyone communicating with one another.

"There were games of Pictionary relating to the opposition and everything you had learned throughout the week.

"Instead of it all being written down on a board and players just sitting there not really taking it in, he made it fun and different."

Riccardo Calafiori was injured in the warm-up, meaning Bukayo Saka comes into the starting XI and captains the side.

Myles Lewis-Skelly drops back to left-back.

The 5,000 Wigan fans have made it blue behind the goal to the right.

Credit to them for making the long trip down to the Emirates.

It's safe to say Mikel Arteta loves Martin Zubimendi and who can blame him?

The £60m man's six goals this season also match the tally he scored for Real Sociedad in his last two seasons at the club (six goals in 93 games).

"I think when we talk about Zubi, what else can he do? He can do whatever he wants. It's a bit similar to Declan's qualities," Arteta said.

"We just have to keep unlocking that in his system, in his brain, because he's so good at occupying different spaces, he's carrying the ball, dribbling, winning duels, and he has a talent when he gets into the final third and into the box. He's so composed. He sees the picture very clear."

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This is the first meeting between Arsenal and Wigan since the 2013-14 FA Cup semi-final, which is their only previous FA Cup encounter. After a 1-1 draw, the Gunners won 4-2 on penalties with current boss Mikel Arteta netting in the shootout.

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Sole focus, Youssef? I'm pretty sure Arsenal will be giving the Champions League a good go.