Having recently ended their interest in Brentford’s Ivan Toney, Arsenal’s striker search may have now reached another dead end. Mikel Arteta is thought to be determined to sign a striker this summer, someone who can add a bit of x-factor in the face of Manchester City’s relentless scoring. Having netted 91 goals themselves in the Premier League last term, Arteta’s Arsenal forward line weren’t poor by any means. But in what felt like Arsenal’s three key defeats in the second half of the season, to West Ham United, Fulham and Aston Villa, they only scored one goal. Arteta’s defence wasn’t necess…