Jefferson Sierra is the brother of Jerson Sierra (Portoviejo FC).
Jefferson Sierra is the brother of Jordan Sierra (Querétaro FC).
Jefferson Sierra
- Date of birth/Age: May 13, 1993 (30)
- Place of birth:
Manta
- Citizenship:
Ecuador
- Position: Right-Back
Player data
Main position
- Main position:
- Right-Back
- Other position:
- Right Winger
Facts and data
Name in home country:
Jefferson Alexander Sierra Flores
Date of birth/Age:
May 13, 1993 (30)
Place of birth:
Manta 
Citizenship:
Ecuador
Position:
Defender - Right-Back
Foot:
right
Current club:
![CD La Union]()
CD La Union
Joined:
Sep 1, 2023
Contract expires:
-
Citizenship:
Ecuador
Position:
Defender - Right-Back
Foot:
right
Current club:
CD La Union
Joined:
Sep 1, 2023
Contract expires:
-
Further information