Arsenal's failure to sign a striker last summer is why they will fail to win the Premier League title again, according to Wayne Rooney . The Gunners have come close to winning a first Premier League title since 2004 in successive years under Mikel Arteta , who has managed to turn the club back into genuine title contenders. On both occasions Arsenal were pipped to the domestic crown by Manchester City . And they look set to miss out again this term with Liverpool 13 points clear ahead of Arteta