article_snippet: Santi Cazorla (centre) sprints off during a training exercise, and will hope to keep up Arsenal manager Arsene Wenger fine recent form .
article_snippet: England international Theo Walcott (left) and Nacho Monreal  keep England international Theo Walcott (left) and Nacho Monreal   eye on the ball in training .
article_snippet: Centre back Per Mertesacker controls the ball as Arsenal team-mates watch on at London Colney .
article_snippet: Tomas Rosicky challenges Frances Coquelin (left)
article_snippet: whilst Alexis Sanchez cracks a smile (right)
article_snippet: Arsenal's No 1 keeper David Ospina will hope to keep another clean sheet at St James' Park on Saturday . '
article_snippet: Defender Gabriel Paulista lunges for the ball during training as Defender Gabriel Paulista team-mates watch on .
article_snippet: Wojciech Szczesny works hard in training as Wojciech Szczesny tries to push for a starting place at Newcastle on Saturday .
article_snippet: Olivier Giroud (centre) has been in fine form and will aim to find the back of the net against Newcastle .
article_snippet: Midfielder Aaron Ramsey (left), under a challenge from Danny Welbeck, is vying for a starting place .