One Arsenal player was spotted using crutches after the Gunners’ 2-1 win against Brentford on Saturday evening. Gabriel Martinelli was not fit to make the Arsenal squad against Brentford. The Brazilian winger limped off the pitch against Sheffield United last time out. After that match, Mikel Arteta confirmed that Martinelli had sustained a gash to his foot. A few days ago it was reported that Arsenal were still “sweating” on Martinelli’s availability ahead of this clash against the Bees at the Emirates Stadium. This suggests that the 22-year-old was not expected to be sidelined for an extende…