Lacklustre Juventus began life without Cristiano Ronaldo by suffering a shock 1-0 defeat at home to promoted Empoli in Serie A on Saturday.
AC Milan have signed Algeria midfielder Ismael Bennacer from Empoli.
Inter Milan sneaked into next season's Champions League when a late goal from Radja Nainggolan gave them a 2-1 win over a gallant Empoli.
Atalanta managed 32 shots on goal but could not find a way past Empoli keeper Bartlomiej Dragowski as they were held 0-0 at home.
Empoli stunned Napoli with a 2-1 home win on Wednesday to boost their survival hopes and leave the visitors 18 points adrift of Juventus.
Teenager Moise Kean scored three minutes after coming on as a substitute to give Juventus a 1-0 win over lowly Empoli.
AS Roma coach Claudio Ranieri enjoyed a winning start to his second spell in charge of the club as they beat struggling Empoli 2-1 in Serie A.
AC Milan continued their impressive run of form as second-half goals gave them a 3-0 win over Empoli in Serie A on Friday.
Keita Balde met Sime Vrsaljko's low cross with a first-time shot on the turn in the 72nd minute to earn a 1-0 win for Inter Milan.
Inter notched a big win over Napoli on Boxing Day, albeit one overshadowed by sad events around the pitch. Elsewhere, Roma must get it together.
Serie A club Empoli dampened coach Aurelio Andreazzoli's 65th birthday celebrations on Monday by sacking him after a poor run of results.
Napoli forward Dries Mertens scored a hat-trick to lead his side to a 5-1 rout of Empoli in Serie A on Friday.
Cristiano Ronaldo scored twice -- including a second-half beauty -- as Juventus fought back from a goal down to win 2-1 away to Empoli on Saturday.
AC Milan were foiled by heroic goalkeeping from Empoli's Pietro Terracciano as they were held 1-1 by the promoted side on Thursday.
A team-by-team guide to the new Serie A season as Cristiano Ronaldo makes the move to the Italian top flight.
Bennacer, a Algeria international, joined the Gunners in 2015 and played in the 3-0 League Cup loss to Sheffield Wednesday that year.
Brisbane Roar's search for a marquee frontman is over with veteran Italian Massimo Maccarone joining the A-League club on a one-year deal.
Gonzalo Higuain was the hero again as Juventus took another step towards the Serie A title with a 2-0 victory over Chievo.
Edin Dzeko set a new club record for Roma with both goals in a 2-0 victory over Empoli at the Stadio Olympico.
Juan Cuadrado's seventh-minute goal helped Juventus preserve their dominant lead at the top of the Serie A, while Napoli hold on against Empoli.
Juventus weren't at their potent, clinical best but eventually cracked Empoli's resolve en route to a 2-0 win.
Juventus extended their lead at the top of Serie A to 10 points with a 2-0 win over Empoli in Turin.
Leonardo Bonucci will return to Juventus as Massimiliano Allegri's men take on struggling Empoli on Saturday.
Lazio needed a stroke of fortune to win 2-1 at Empoli and keep up their bid for a European place in Serie A on Saturday.