Penek Sitnumnoi (Thai: เป็นเอก ศิษย์หนุ่มน้อย) is a Thai former professional Muay Thai fighter.
He is a former Lumpinee Stadium Featherweight Champion as well as the 2011 Sports Writers Association of Thailand Fighter of the Year.
Currently he works as a trainer at Evolve MMA in Singapore.
[1] Awards