The phrase "to sign the attacker" means recruiting or hiring someone who is skilled at attacking or scoring goals in a sport, like football. Full definition
We can't stop signing attackers We need to always sign attacking players if we want to compete with top teams. (justarsenal.com)
Manchester City were close to signing the attacker on transfer deadline day, so say the Daily Star, but the London club pulled out of the deal when Pep Guardiola refused to include Raheem Sterling. (caughtoffside.com)
With Liverpool having signed attackers James Milner, Danny Ings, Roberto Firmino and Christian Benteke [via Sky Sports], Rodgers is certainly set to field a hugely revamped side next season, and the possible addition of Reus could see Daniel Sturridge question his role with the Merseyside heavyweights upon his return from injury. (caughtoffside.com)