Arsenal winger Gabriel Martinelli can lay claim to a unique achievement. Gabriel Martinelli was on the scoresheet again as Arsenal beat Southampton 3-1 in a Premier League clash on Saturday afternoon. The Brazilian attacker came off the bench to put the Gunners ahead at the Emirates Stadium. Having been on the pitch for less than ten minutes, the 23-year-old arrived to meet a Bukayo Saka cross at the back post and prodded the ball past Aaron Ramsdale. Whilst Saka struck again late on to add gloss to the scoreline, it was Martinelli who provided the winning goal, and he has now netted in each o…