Ramsey, who set up Alexis Sanchez for Arsenal's fourth goal at the Stadium of Light, had been sidelined for 11 weeks after picking up a hamstring injury in their opening defeat to Liverpool in August.
GETTY
Aaron Ramsey returned to action against Sunderland
But Arsene Wenger has suggested he could rest the Wales international against Ludogorets, with Arsenal's north London derby with Tottenham just five days after the Champions League Group A clash.
Wenger, whose side beat the Bulgarian outfit 6-0 last month, will have fellow midfielder Granit Xhaka available again following his two-match suspension.
When asked if Ramsey will start tomorrow night (7.45pm), the Frenchman told the club's official website: "I don't know.
GETTY
Aaron Ramsey was injured during Arsenal's defeat to Liverpool on opening day
Five things learned about Arsenal's win over Sunderland
Sat, October 29, 2016
Express Sport brings you five things learned about Arsenal's impressive win over Sunderland
ARSENAL stars Theo Walcott, Aaron Ramsey and Olivier Giroud were all in training ahead of the Gunners' Champions league clash with Ludogorets tomorrow evening (7.45pm).
Arsenal train ahead of Champions League clash with Ludogorets
Mon, October 31, 2016
Arsenal have been hard at work in training ahead of their Champions League clash with Ludogorets on Tuesday evening (7.45pm)
Express Sport brings you all the best pictures as Arsenal train ahead of their Champions League clash with Ludogorets tomorrow (7.45pm)
Arsenal travel to Bulgaria on the back of a 14-game unbeaten streak including a 6-0 demolition of Ludogorets earlier this month, but could be without Walcott and Giroud for tomorrow's tie.
Theo Walcott missed the Gunners' Premier League win over Sunderland with a hamstring problem, while Aaron Ramsey made his comeback from an 11-week lay-off against the Black Cats but may be rested for Tottenham next weekend.
Scroll through the gallery above to see the Arsenal squad hard at work ahead of tomorrow's Champions League tie.
Arsene Wenger is convinced Arsenal have a “maturity” that will prolong their title challenge.
The Arsenal boss has warned or a difficult November that will sort out where they stand in a “tight” top five battle.
They are level with Man City at the top, with key players Olivier Giroud and Aaron Ramsey back fit again.
Wenger said: “Maturity is what you want to show. I believe so, yes, but that’s what we want to show over a longer distance, you know, and that’s what is at stake.
Giroud scored a brace for Arsenal at Sunderland...
...as did Sanchez
“We now have some difficult games coming up, we have a difficult November, so by the end of the November we’ll know more about ourselves, but the desire and the mentality is great in the side.
“We have a great togetherness and we have quality as well, so they are good ingredients, but we have to show that we can do it week in, week out.
“This win strengthens our belief that we can bounce back from the disappointing result we had last week and that we can also bounce back within a game when it doesn’t go our way.
“Overall I believe it can convince the team that we’re playing the right way.”
In pictures: Sunderland 1-4 Arsenal
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Ramsey will be a key man and Wenger could play in the Champions’ League in midweek against Ludogorets Razgrad.
Wenger said: “He is a box to box player. He drives and pushes the team forward and that is exactly what we want in our side. He can play as holding midfielder and he can play on the flanks as well.
“He is Lampard-ish, you know, he likes to get in the box and shoot from distance, they have similar qualities.”
Gameweek 10 (ten!) of the Premier League season is in the books which means we have galloped past the quarter-way mark and are hurtling towards the halfway house with gay abandon.
Arsenal, Liverpool and Manchester City were the big winners of the weekend, now just separated by goal difference while Chelsea - who probably beat a stronger side than any of the top three - are only a point behind.
Sunderland's pitiful start continues , while Hull managed to stop conceding bucketloads of goals but still lost 1-0.
While we at MirrorFootball managed to learn 10 valuable things about the Premier League weekend , you may feel like you need something more recognisable to conclude the gameweek - something more natural.
And for that reason (and that reason alone) we have fashioned an XI of the best performers in the English top flight over the past few days, shoehorned into their relevant positions in a viable footballing formation.
The good news is that you can read it below....
Tom Heaton
Unbreakable: Heaton was a brick wall
The Burnley goalkeeper was the undoubted star of a game that Manchester United really should have won.
His save from Zlatan Ibrahimovic, which he claims almost broke his arm, was described by Peter Schmeichel as one the Premier League's greatest ever.
Heaton was given a 9 in our player ratings for the Old Trafford stalemate.
Antonio Barragan
Barragan got the better of Jordon Ibe all day
The Middlesbrough right-back has been forced into playing a variety of different positions since returning to the Premier League but, back in his most natural position, he was key in a Boro win.
Barragan did well in keeping tabs on Jordon Ibe but also pinning back Charlie Daniels.
Bournemouth are a team who channel play down the flanks and Barragan sealed off the right-hand side to allow his midfield to take care of everything else - something they did perfectly in a 2-0 victory.
John Stones
Stones managed to keep Rondon away from dangerous areas
The Man City defender was part of a big bounceback performance from Pep Guardiola's side in a game that many would have pegged as a potential upset.
Pep comprehensively outgunned Pulis and Stones was a key figure in nullifying West Brom's pre-match strategy of looking to physically dominate City.
Most crucially though, Stones was the outlet through which City could consistently build attacks and assert their own dominance through possession - something Albion had no answer for.
Michael Keane
Keane blocks ANOTHER effort in a brave, all-action performance
Going back to Old Trafford was always going to be a big game for the former Manchester United kid, who has established himself as one of the best young central defenders in the division.
Helped, of course, by Tom Heaton's brilliant performance behind him, Keane continued his outstanding season by contributing more blocks and clearances than anybody else on the field.
He repeatedly put his body on the line and got the ball away from danger.
Kieran Gibbs
Gibbs was like an extra winger for Arsenal
The Arsenal full-back was a key part of their attack, surging down the left flank and combining with Alex Iwobi.
Gibbs has finally hit full stride after being eased back post-injury.
He has three consecutive 90-minute displays under his belt - three wins too - and created as many chances as Mesut Ozil on Saturday. That's a punchy display.
Victor Moses
Victor Moses in action with Charlie Austin
Victor Moses establishing himself as first-choice wing-back in a title-challenging team is surely one of the more curious developments for a player who started as a striker with Crystal Palace.
But the Nigerian international is consistently performing in his new role under Antonio Conte and Chelsea look every bit the side we hoped they would under their new boss - energetic, dangerous and successful.
The Blues have only lost to Arsenal and Liverpool in the league. Keep beating the other teams and they're going to be in the championship mix.
James McArthur
Mac the knife: James McArthur netted a headed brace
The wee Scot is one of the Premier League's most underrated playmakers but netted twice to highlight his overall performance.
Liverpool outclassed the Eagles but McArthur kept them in touch and is their leading scorer this season - outscoring £32million man Christian Benteke.
Ilkay Gundogan
Ilkay Gundogan nets City's third in a dominant display
A stunning display from the German midfielder felt like his big arrival on the Premier League stage.
An injury-plagued start to his life in Manchester has meant that he flew somewhat under the radar.
But two goals and an assist at the Hawthorns was the sort of performance that mean he can no longer be ignored.
Coutinho
Palace struggled all day to get close to Coutinho
Liverpool outclassed Crystal Palace and should have won by a lot more.
Coutinho's performance was a big part of that, with the little Brazilian just a cut above his opponents.
On a technique level he is one of the best players in the league, and it was obvious on both of his assists on a day when he was involved in one way or another in every Liverpool goal.
Sergio Aguero
Sergio Aguero was back on top form
Pep Guardiola hasn't seemed overly enamoured with Sergio Aguero but the Argentina striker was back to his unstoppable best on Saturday.
Two goals in nine minutes killed this game off as a contest early doors and, although the hat-trick wasn't forthcoming, Aguero was successful in nipping talk of his decline in the bud ahead of a crucial match-up with Barcelona.
Alexis Sanchez
Sanchez puts Arsenal in charge against Sunderland
In May 2015, one MirrorFootball writer suggested that Arsenal needed to play Alexis Sanchez in a central role and build around his talent.
It took over a year for Arsene Wenger to switch on to it, but now that he's trying the Chilean through the middle there is a different feel to Arsenal's attack.
Olivier Giroud mixed in as an extra piece on Saturday but this was all about Alexis and will continue to be for the foreseeable.
Break out the bubbly, Arsenal fans. We can confirm you are top of the Premier League table.
Not the ACTUAL Premier League table, granted (pesky goal difference). But while the table that is based purely on points has you in second, we can reveal you are top when it comes to the next most important thing.
Scoring pretty goals.
Everyone knows Arsene Wenger's Arsenal have always put great importance on goals built on passing football. That's why the build-up to Alexis Sanchez's opener in the 4-1 win at Sunderland will have brought a big smile to the Frenchman's face.
Arsenal celebrate some seriously sexy team play
Arsenal played a massive 22 passes in the move that led to Sanchez heading them in front at the Stadium of Light.
And that is the most for a Premier League goal this season - meaning the Sanchez goal had the longest, most patient build-up of any goal in the 2016/17 top flight.
Here's the top five for passing build-ups…
Alexis Sanchez vs Sunderland, 29 October - 22 passes
Romelu Lukaku vs Sunderland, 12 September - 21 passes
Philippe Coutinho vs Arsenal, 14 August - 19 passes
Juan Mata vs Leicester, 24 September - 18 passes
Junior Stanislas vs Hull, 15 October - 17 passes
Unfortunately for Arsenal fans, the build-up to the Sanchez goal was some way off top spot on the all-time Premier League list…
…a list headed by a TOTTENHAM goal. Nacer Chadli's goal against QPR on 24 August 2014 saw Spurs string together 48 passes before the finish.
Nacer Chadli scores his sides first goal agasint QPR
Arsenal are in a four-way battle to sign Argentine wonderkid Naza Bazan Vera.
That is according to The Sun, who say the Gunners are joined by London rivals Chelsea and West Ham in the hunt for the 17-year-old, while Liverpool also maintain an interest.
The teenager has been training with the first team at club side Velez Sarsfield and is set for an international Under-20 call-up despite his tender years.
Villarreal are also reportedly interested in the player, who scouts have compared to Juventus star Paulo Dybala.
Wenger: We have maturity to last distance
Arsene Wenger is convinced Arsenal have a “maturity” that will prolong their title challenge.
The Arsenal boss has warned or a difficult November that will sort out where they stand in a “tight” top five battle, writes Mirror Football's Simon Bird.
They are level with Man City at the top, with key players Olivier Giroud and Aaron Ramsey back fit again.
Wenger said: “Maturity is what you want to show. I believe so, yes, but that’s what we want to show over a longer distance, you know, and that’s what is at stake.
“We now have some difficult games coming up, we have a difficult November, so by the end of the November we’ll know more about ourselves, but the desire and the mentality is great in the side."
Wright: Arsenal can win title with Aguero
Arsenal can win the Premier League with Sergio Aguero in their side.
That's according to former Gunners striker Ian Wright , who hopes Pep Guardiola continues to "mess around" with the Argentine and he moves to North London, writes Mirror Football's Jake Polden.
Wright made his comments on BT Sport while talking to Owen Hargreaves and Steve McManaman.
Speaking on the Premier League Show, he said: "What I would like to happen is that Pep continues to mess around with Aguero and then Arsenal buy him."
He adds: "And then we just win the league off the back of that, simple as that."
US presidential hopeful Hillary Clinton has sparked rumours she supports Arsenal by appearing in a Gunners-themed pub.
The Democratic candidate was seen speaking to fans in the Fadó Irish Pub in Miami, which was decked out with Arsenal shirts, flags and scarves.
But while local supporters jokingly claimed the appearance proved Clinton's allegiance to Arsene Wenger's side, it seems it was merely coincidental.
The former secretary of state has been campaigning in Florida, which could prove to be a key state in the upcoming presidential election.
Yep, that's @HillaryClinton at our pub @fadomiami in our room! "Hillary is a Gooner, Hillary is a Gooner"! #WeAreMASC pic.twitter.com/yrO3kUWJxl
— Arsenal Miami - MASC (@ArsenalMiami) October 30, 2016
One politician who definitely does support Arsenal, however, is Jeremy Corbyn. The Labour leader and MP for Islington North has made no secret of his stance.
Corbyn has been spotted at games and often speaks up for Wenger when fans turn against him.
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