On 12 September, he made his debut in a 2–0 away win over Frosinone.[12] On 9 January 2016 he scored his first goal for Roma in the 4th minute of a 1–1 home draw against Milan.[13] He finished his season-long loan to Roma with 37 appearances and 2 goals.[3] On 30 May, Roma officially signed Rüdiger from for €9 million + €0.5m bonuses on a four-year contract.[14]