Mikel Arteta backs Arsenal new boy Leandro Trossard to have ‘immediate impact’

COMPLETED: Leandro Trossard has joined Arsenal from Brighton. Pic: Peter Byrne/PA

Mikel Arteta is hoping new recruit Leandro Trossard can hit the ground running and help Arsenal in their Premier League title tilt.

The Gunners landed the 28-year-old Belgium international on Friday, signing him from Brighton for an initial fee of £21million.