Back-to-back victories have lifted spirits at Northampton with Chris Wilder's side showcasing different qualities in both games.
A hard-fought win when playing 45 minutes with only 10 men against Oxford United was followed by a superb attacking display at Morecambe last weekend when Town's four-goal haul could easily have been more.
Orient's 1-1 draw at home to Wycombe Wanderers on Saturday kept them a point clear at the top of the table although the East London side are now three games without a victory.
Striker Jay Simpson will be the man to watch for Northampton's defence.
The 26-year-old former Arsenal trainee netted his 6th goal of the campaign against Wycombe.