One of the top horses for this year’s Melbourne Cup, Who Shot The Barman is out of tomorrows event.

Top Sydney trainer Chris Waller has been reduced to one runner after he was forced to scratch his race from the Melbourne Cup due to an elevated temperature.

Who Shot The Barman would have been lining up in the Melbourne Cup for the fourth time on Tuesday after finishing third in 2014, 11th in 2015 and fifth last year.

The Melbourne Cup race begins at 5pm tomorrow and you can watch it live on FBC TV.