Orient will travel to Peterborough United in the first round of the Johnstone's Paint Trophy and the game will be live on Sky Sports
Peterborough United v Leyton Orient in the Johnstone's Paint Trophy will take place on Tuesday September 2, 7:45pm kick-off and will be live on Sky Sports.
The two sides last met in the League 1 Play-Off Semi Final last season. Full ticket details to follow.
Peterborough are the current cup holders.