Mario X Once Piece: Baseball Pirates

Mario X Once Piece: Baseball Pirates Is a crossover sports game with Super Mario and One Piece developed by Bandai Namco and published by Bandai Namco, Nintendo and Shueshia for the Nintendo Switch.

This game is the third installment of the Mario Baseball series following Mario Super Sluggers for the Wii.

The game plays just like its previous installments. Each player chooses one of the 27 captains (15 Super Mario captains and 12 One Piece captains.) with each one having a Special Swing and Special Pitch and 8 other character to complete its team. The game contains 24 different staduims each one with a Day or Night.

Playable Teams
Bold: Captains.

Mario's All-Stars

 * Mario (Normal, Oberal, Dr. Mario)
 * Luigi (Normal, Overal)
 * Pauline
 * Professor E. Gad
 * Cappy
 * Polterpup
 * Pianta (Pink, Blue, Yellow)
 * Blooper
 * Monty Mole
 * Goomba
 * Paragoomba
 * Lakitu
 * Koopa Troopa (Green, Red, Blue, Yellow)
 * Koopa Paratroopa (Green, Red, Blue, Yellow)
 * Pirahna Plant (Red, Green, Venus Fire, Ink)
 * Noki (Blue, Green, Red)

Peach's Princesses

 * Peach (Normal, Dress)
 * Daisy (Normal, Dress)
 * Toad (Normal, Red, Blue, Yellow, Purple, Green, Captain Toad)
 * Toadette
 * Toadsworth
 * Petey Pirahna
 * Tiara
 * Glydon
 * Shiverian (Red coat, Blue coat, Yellow coat)
 * Lochaldie (Blue, pink, white)
 * Wiggler
 * Chain Chomp

Yoshi's Dinos

 * Yoshi (Red, Blue, Yellow, Light Blue, Green, Purple, Pink, White, Black)
 * Birdo (Red, Blue, Yellow, Light Blue, Green, Purple, Pink, White, Black)
 * Poochie
 * Shy Guy (Red, Blue, Yellow, Light Blue, Green, Purple, Pink, White, Black)
 * Baby Mario
 * Baby Luigi
 * Baby Peach
 * Baby Daisy
 * Baby Rosalina
 * Baby Wario
 * Baby Donkey Kong
 * Baby Bowser
 * Bandit

D.K. Crew

 * Donkey Kong
 * Diddy Kong
 * Dixie Kong
 * Funky Kong
 * Lanky Kong
 * Cranky Kong
 * Chunky Kong
 * Tiny Kong
 * Rambi
 * Expresso
 * Kritter (Green, Brown, Blue, Red)
 * Klump
 * King K. Kong

Wario Winners

 * Wario (Normal, Oberal, Bike Outfit, Purple Wind)
 * Waluigi (Normal, Oberal)
 * Captain Syrup
 * Bandinero (Red, Blue, Yellow)
 * Mona
 * Jimmy-T
 * Dr. Crygor
 * Mike
 * Ashey
 * Red
 * Young Cricket
 * Master Mantis
 * Dribble
 * Spits
 * 9-Volt
 * 18-volt
 * 5-volt
 * Penny
 * Orbulon
 * Boo
 * King Boo (Normal, Luigi's Mansion)

Bowser's Koopas

 * Bowser
 * Bowser Jr.
 * Dry Bones (White, Red, Blue, Green)
 * Dry Bowser
 * Whomp
 * Larry
 * Morton
 * Roy
 * Ludwig
 * Wendy
 * Iggy
 * Lemmy
 * Koopa Kid (Green, Red, Blue)
 * Hammer Bro (Hammer, Boomerang, Fire, Ice)
 * Kamek (Blue, Green, Yellow, Red, White)
 * Pokio
 * Topper
 * Harriet
 * Rango
 * Spewart

Rosalina's Stars

 * Rosalina
 * Luba
 * Polari
 * Luma (Yellow, Green, Red, Beige, Blue)
 * Honeybee
 * Queen Bee
 * Gearmo (Green, blue, pink)
 * Penguin
 * Cosmic Mario
 * Electrogoomba
 * Spiky Topman

Luffy's Straw Hats

 * Luffy
 * Zoro
 * Sanji
 * Brook
 * Nami
 * Robin
 * Chopper
 * Ussop
 * Franky
 * Jinbei
 * Carrot
 * Zeus
 * Bartolomeo
 * Cavendish
 * Sai
 * Ideo
 * Leo
 * Hajrudin
 * Orlumbus

Sengoku's Marines

 * Sengoku
 * Smoker
 * Garp
 * Akainu
 * Kizaru
 * Fujitora
 * Coby
 * Helmeppo
 * Tashigi
 * Hina
 * Jango
 * Fullbody
 * Tashigi

Bege's Mafia

 * Bege
 * Caesar Clown (Normal, Gangster Gastino)
 * Vito
 * Judge
 * Reiju
 * Ichiji
 * Niji
 * Yonji
 * Chifon

Buggy's Clowns

 * Buggy
 * Shanks
 * Ben Beckman
 * Lucky Roux
 * Yassop
 * Alvida
 * Wapol
 * Bellamy
 * Mohji
 * Cabaji
 * Chessmarimo