signed a five-year $10 million contract with $5 million guaranteed. In his first season, he played defensive end and played in all 16 regular season games with 9 starts and finished the season with 55 tackles (41 solo), 4 sacks, 2 interceptions and 2 forced fumbles. In 2007, he won the starting strongside linebacker position after spending the entire offseason learning the new position following a rookie year spent at defensive end. He started all 10 games in which he played and finished the season with 47 tackles (24 solo), 4.5 sacks, 4 passes defensed, 1 forced fumble. Kiwanuka’s season ended at Detroit on November 18, 2007, when he suffered a fractured left fibula. He had surgery to stabilize his leg and ankle the following morning and was placed on Injured Reserve, ending his 2007 season. In 2008, Kiwanuka entered training camp as the starting strongside linebacker, but returned to defensive end when Osi Umenyiora suffered a season-ending knee injury during the preseason. He started all 16 games and the NFC Divisional Playoff game at right defensive end and finished the season with 59 tackles (28 solo), 8.0 sacks, 13 tackles for loss, 2 passes defensed, 2 forced fumbles and 2 fumble recoveries.