Lacazette, Ozil, Bellerin Aubameyang, Luiz and others pictured in training

Arsenal players step up their fitness levels ahead of the potential return of the 2019/20 Premier League campaign.

Players have returned to training, but were pictured training in groups. 

Among those present were Pierre-Emerick Aubameyang - sporting a different look - as well as Mesut Ozil, Alexandre Lacazette, Matteo Guendouzi, Nicolas Pepe and Bukayo Saka.

Check out photos from Arsenal official website.... 

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   David Luiz before a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)1 of 19

   
   

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   Arsenal Head Coach Mikel Arteta during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)2 of 19

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   Mikel Arteta during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)3 of 19

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   Pierre-Emerick Aubameyang during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)4 of 19

5. Hector 

   
   

   Hector Bellerin during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)5 of 19

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   Dani Ceballos during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)6 of 19

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   Trae Coyle during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)7 of 19

   
   

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   Cedric during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)8 of 19

9. Guendouzi

   
   

   Matteo Guendouzi during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)9 of 19

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    Sead Kolasinac during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)10 of 19

    
    

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    Pablo Mari during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)11 of 19

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    Gabriel Martinelli during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)12 of 19

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    Nicolas Pepe during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)13 of 19

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    Mesut Ozil during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)14 of 19

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    Reiss Nelson during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)15 of 19

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    Bukayo Saka during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)16 of 19

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    Granit Xhaka during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)17 of 19

18. Mustafi

    
    

    Shkodran Mustafi during a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)18 of 19

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    Dani Ceballos after a training session at London Colney(Image: Stuart MacFarlane/Arsenal FC via Getty Images)19 of 19