The two clubs have agreed a fee and Tettey will undergo a medical on Monday.
“The two clubs have agreed a fee and Tettey will go to France next week,” confirmed Rosenborg director Erik Hoftun to Adresseavisen.
“Rennes have been in the picture for a long time, ever since last summer.”
“This is very positive,” his agent Tore Pedersen told Aftenposten.no.
“He is truly pleased. Not because there was anything wrong at Rosenborg, but because all players want to play at the highest possible level.
“I don’t think he will have any problems is France. He has got all the qualities required to be a success.”