Arteta oversaw training ahead of Wednesday’s match in Italy (Photo: Every Second Media/Shutterstock) Bruno Guimaraes has returned to training ahead of Arsenal’s Champions League clash with Napoli this week. With three wins in their first three matches of the new Premier League season, the Gunners begin their Champions League campaign away to Napoli on Wednesday. Guimaraes, a £75m summer signing from Newcastle United, is yet to start for his new club, having been named on the bench against Chelsea at the weekend. The 28-year-old did not travel to north London that day but hopes to play a role away at Naples this week. Exclusive Premier League reviews Stay ahead of the start of the season with our weekly football newsletter. Register now for free. Jurrien Timber is also stepping up his comeback by training alongside his teammates at London Colney today. The Netherlands international has been sidelined since March due to a groin injury that required surgery in the summer. Arteta described his defender as being in “really good form” and hoped he would be back in action very soon. Arsenal will be without Christian Mosquera, who missed the win over Chelsea due to a muscle injury. Bruno back in Arsenal training (Photo: Getty/Arsenal) Timber is also ramping up the pace of his comeback (Photo: John Walton/PA Wire) William Saliba has been out for a long time recovering from a back injury. The Arsenal squad will fly to Naples with Arteta this afternoon to speak to the press on Tuesday evening. Ask Metro Use AI to dig deeper into the stories you care about, powered by Metro and trusted publications. More information Arrow MORE: Paul Scholes calls on Michael Carrick to drop Manchester United star against Manchester City Arrow MORE: ‘I didn’t realize’ – Joe Cole praises ‘monster’ Chelsea after Arsenal defeat Arrow MORE: Mikel Arteta won’t be ‘long-term Arsenal manager,’ says former Manchester City star Comment now Comments Add Metro as your preferred source on Google Add as preferred source in the mixer An insight breaking through mountains of noise. Get expert analysis and fresh perspectives on the football stories that really matter. Post navigation Midnite Increases Transparency in Player Eligibility Checks with New Tool – G3 Newswire Ballon d’Or 2026: full list of nominees for this year’s awards ceremony