Sivasspor are now without a single win this season and dropped into 16th place with just six points from nine games following the Trabzonspor defeat.
On-loan Chelsea winger Marko Marin started for Trabzonspor and scored the opening goal when his free-kick missed the head of everyone taking the keeper by surprise and ending up in the back of the net.
The Germany international now has two goals and one assist in all competitions this season.
Marin was also involved in the second goal providing the cross that found Okay Yokuşlu – with the help of a rebound – who smashed the ball into the back of the net.
MEDİCANA SİVASSPOR – TRABZONSPOR
Stadium: 4 Eylül
Referee: Ali Palabıyık
SİVASSPOR: Setkus, Cicinho, Boye, İbrahim, Ziya, Kone, Adem, Burhan, Abalo, Enaramo, Aatif
MANAGER: Sergen Yalçın
TRABZONSPOR: Esteban, Aykut, Medjani, Douglas, Okay, Mbia, Cavanda, Erkan, Marin, Yusuf, Deniz Yılmaz
MAANGER: Shota Arveladze