Passage: In 2006 Trabelsi was linked with moves to several English clubs, and joined Manchester City on a free transfer on 10 August. Injury and work permit problems prevented him from making his debut until a month into the season, a substitute appearance against Reading on 11 September.He scored his first Manchester City goal against Manchester United with a left foot shot to beat Edwin van der Sar. Manchester City still lost the game 3–1. Trabelsi lost his right-back place in the side to Micah Richards and Nedum Onuoha. Trabelsi did not play a game after City's 1–0 win at Newcastle United in March, and he was released at the end of the season.

Question: Who did Trabelsi lose his position to?
Micah Richards and Nedum Onuoha