Joe Cole says Arsenal have been taken by ‘surprise’ over star’s impact

Mikel Arteta’s side cruised past the Cherries on Saturday (Picture: Shutterstock)Joe Cole believes the impact of Leandro Trossard has taken Arsenal by ‘surprise’ after he impressed in Saturday’s 3-0 win over AFC Bournemouth.Trossard scored Arsenal’s second goal at the Emirates to help his side go four points clear of second-placed Manchester City before their game against Wolves.The 29-year-old Belgium international has now conjured up 11 goals across 32 Premier Lea