Astute Missile landed the biggest shock in the history of the Greyhound Derby when landing the Star Sports sponsored event at Towcester.

Contesting the 22nd race of his UK career, the black jacketed 28-1 chance showed early pace, determination to come through his field and his fastest winning time in the event as he held off Tyrur Shay by three quarters of a length in 28.92. . . .