KERANG galloper Jittery Jack made light work of Moonee Valley's heavy 10 track, slogging his way to a comprehensive victory on Saturday.

The John Matheson trained gelding made it two wins on the trot in the city, backing up his recent success at Flemington with an incredible seven length win in treacherous conditions.Jittery Jack again combined with apprentice jockey Liam Riordan who took h...