Russell Martin will need to make some key changes in order to disrupt Man United. Southampton are set to face a tough task as they welcome Manchester United to St Mary’s. With zero points on the board after three games, and just the one goal courtesy of Yuki Sugawara, Southampton have already shown signs of struggling in the Premier League and Saints fans will be hoping that the timely international break was used wisely. Adam Armstrong is one individual who has struggled to adapt to the lofty heights of the Premier League so far in the 2024/25 campaign, as well as the entire attacking line, w…