A "speedy attacker" refers to someone in sports, usually in a team like soccer, who is very fast and quick to attack the opposing team's goal. Full definition
Every commentator raves about isolating Mertesacker alone with speedy attackers as a way of getting to Arsenal. (justarsenal.com)
Top 10 Fastest Dribblers In World Football: Liverpool, Arsenal & Man United Stars Among Speediest Attackers. (caughtoffside.com)
Ronaldo will be back for the semis, and coupled with Gareth Bale up front (assuming he overcomes his recent battle with the flu), should wreak havoc on Bayern's back line that has had trouble dealing with speedy attackers over the past few weeks. (toddstake.com)