|Monkey D. Luffy vs Usopp|
|Number of Times Fought||1|
|Aftermath||Usopp leaves the crew.|
|Winner||Monkey D. Luffy|
|Story Arc||Water 7 Arc|
After Luffy announces that the Going Merry is done for Usopp refuses to believe this and challenges Luffy to a fight. The two duel and Usopp manages to use his rotten egg and tabasco star to immobilize Luffy along with several other gadgets. Luffy then uses Gum-Gum Bazooka, but Usopp absorbs the blow with an impact dial and shoots Luffy with it, but the impact also damages him as Luffy uses a Gum-Gum Bullet to defeat Usopp as Luffy sobs over the good times they've had and he decides to give Usopp the Going Merry as Zoro decides they can't return to the ship after tonight.