It is expected Ramsdale will retain his place in the side after keeping a clean sheet against Norwich as the two players tried to impress Arteta ahead of the clash against Sean Dyche's men.
The pair appeared to be getting on as they stepped out onto the London Colney training pitch, in conversation alongside third choice keeper Arthur Okonkwo.
But Leno appeared to let his frustrations boil over in a 11v11 training game as he could be seen shouting towards the coaching staff for not giving a free kick on Nicolas Pepe in the build-up to a goal from Folarin Balogun.
Meanwhile, Arteta has reportedly promised Leno that he will take 'a break' for one more game, before coming back into the line-up for the north London derby against Tottenham the following weekend.
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