[1] He is also the senior French national team's all-time career leader in total points scored.

As a youth, he competed in the high jump and javelin throw, with the French athletics club L'Étoile Oignies (Pas-de-Calais).

During his pro club career, Dubuisson scored at least 50 points in a single French League game, on five occasions.

[7] As a member of the senior French national team, Dubuisson competed at the men's basketball tournament, at the 1984 Los Angeles Summer Olympics.

[9] He retired from the senior French national team as its all-time career leader in both caps (games played) with 259, and in total points scored, with 3,916.

He also holds the senior French national team's all-time record for the most points scored in a single game.

On 21 November 1985, Dubuisson scored 51 points, in a 1986 FIBA World Championship Qualification game against Greece.