Inter Milan president Massimo Moratti hopes his team's midweek triumph at Lille will be a turning point in its season and spark the club in its bid to win another title.
The Nerazzurri won 1-0 in
"After the Champions League, we can now focus on the League at home," Moratti told www.inter.it.
"Tuesday's win was an important and necessary one.
"Now we have to find some more confidence so that we can continue to do well in
"I think all this side needs is to get its confidence back and then we'll start winning."
Inter is level on four points with 18th-place Bologna and has lost four of its six games in Serie A.
City rival AC Milan also goes into Sunday's (Monday AEDT) game at Lecce in buoyant mood after it followed up its 3-0 triumph over Palermo with a 2-0 success over BATE Borisov in the Champions League.
The Rossoneri needs to show a lot of improvement if it is to win its first game on the road this season.
If Juventus slips up against Genoa, Udinese can take over sole possession of first place with a victory over Novara at the Friuli stadium.
Six games into the season and Udinese and Juve are level on 12 points and the only teams unbeaten in Serie A.
Napoli visits in-form Cagliari looking to pick up where it left off in its 1-1 draw against Bayern Munich in the Champions League.
The result was deemed a good one by Napoli fans because Bayern had scored 25 goals and conceded just once in its previous 10 games.
The Naples outfit lost last weekend's game to Parma to drop to fifth place, one point behind Cagliari.
Roma and Palermo will battle it out at the Stadio Olimpico with both sides looking to bounce back from defeats.
The Sicilian side lost 3-0 at AC Milan and travels to
Roma, meanwhile, lost 2-1 at Lazio in last weekend's city derby.
Lazio travels to Bologna inspired by
The result was Lazio's second consecutive triumph and lifted the Biancoceleste to fourth place.
Parma looks to make it three wins a row when it takes on Atalanta in Bergamo.
Bottom side Cesena travels to Siena looking for its first win of the campaign but having to do without pivotal striker
Fiorentina will have to show a vast improvement up front if it is to end its three-match winless run against Catania.
The Viola have struggled in front of goal in recent weeks, scoring just once in their last three league games.
Inter Milan president Massimo Moratti admits he has a difficult decision to reach as he considers whether Andrea Stramaccioni should remain as the club's head coach.