Originally from Braybrook, Le Sueur was a fast and flashy wingman who spent just one season with the Pies, having previously played 18 games with Footscray between 1937 and 1939.

His Footscray career got off to an uncertain start when, having been named to play with the seniors against Fitzroy in 1937, he had to withdraw after his work refused to grant him time off! He had more luck in future weeks, however, and made quite an impression in his debut season.

A mystery stomach/appendix illness kept him out of senior action in 1938, but he returned to the Dogs in 1939 before crossing to the Pies in 1940. He debuted against St Kilda in Round 7, the first of the three successive games he managed in the black-and-white jumper. After the second of those, against Richmond, the Sporting Globe noticed his performances: