On 6 December Siviglia returned to play as an unused bench at Derby della Capitale (round 15). In the next match, Siviglia formed 3 men defender along with Radu and Guglielmo Stendardo in a 352 formation and finally a second win of the league and the first for Siviglia against Genoa from the front of table on 13 December (round 16). Then Lazio gave up the next European match and filled with backup player. 3 days after the European match, Siviglia played as one of the 3-men defense again at the 0–1 lost to Inter on 20 December (round 17). Siviglia also secured a place in 3-men defense in the next 2 matches, including the third league won against Livorno. Since the arrival of new coach Edoardo Reja, he did not play the first match under Reja against Palermo at Coppa Italia, but returned as one of the 3-men defense in the next match (round 20). After played as unused sub against at Coppa Italia, He played as starting central-back partnered with Stendardo (in 433 formation), against Chievo which both struggle to secure point to stay.