Simone Inzaghi warned they need "a real Lazio performance" to beat Frosinone in tomorrow's derby and praised new buy Romulo.
It kicks off on Monday at 18.00 GMT, click here for a match preview.
"All victories help to boost confidence and we are coming off a good period of form, including a deserved place in the Coppa Italia semi-final, despite Inter's late penalty," said the Coach in his Press conference.
Sergej Milinkovic-Savic is suspended with Wallace, Luiz Felipe and Patric injured.
Lazio sold Martin Caceres to Juventus in the transfer window, but brought in Romulo from Genoa.
"Romulo has had a very strong career and showed he wanted to come to Lazio at all costs. He had two excellent training sessions with us and has the same chance as anyone else in the squad of starting tomorrow.
Frosinone are still second-from-bottom, but received a massive boost with their 4-0 victory away to Bologna.