Masayuki Onishi
- Date of birth/Age: Jul 5, 1977 (46)
- Place of birth:
---, Hokkaido
- Citizenship:
Japan
- Height: 1,74 m
- Position: Attack
Player data
Facts and data
Name in home country:
大西 昌之
Date of birth/Age:
Jul 5, 1977 (46)
Place of birth:
---, Hokkaido 
Height:
1,74 m
Citizenship:
Japan
Position:
Attack
Current club:
![Retired]()
Retired
Joined:
Jan 1, 2002
Contract expires:
-
Height:
1,74 m
Citizenship:
Japan
Position:
Attack
Current club:
Retired
Joined:
Jan 1, 2002
Contract expires:
-
