THE Highway Rat looks a sprinter with a big future after the €5,000 supplementary entry landed the Group 3 Al Basti Equiworld, Dubai Pat Smullen Mercury Stakes in fine style under Ronan Whelan.

Trained by Andy Oliver for his wife Saffron, the son of Dandy Man showed good speed and got well on top inside the final furlong to justify 18/5 favouritism.