Napoli's injury concerns deepened in the second half when David Neres was seen limping off. The stoppage sparked a brief flashpoint between the two sides.
The 21-year-old Alejandro Garnacho's sale value is the fourth largest for a United player after Cristiano Ronaldo, Romelu Lukaku and Angel di Maria.
Napoli begin their title defence at Sassuolo on Saturday.
Napoli celebrated their second Italian title in three years -- and fourth overall -- after a thrilling battle with Inter whose 2-0 win at Como following goals from Stefan de Vrij and Joaquin Correa left them one point adrift of their rivals.
Sacked Italy manager Luciano Spalletti bowed out with a victory after his side laboured to an uninspired 2-0 home win over Moldova in their World Cup qualification match on Monday.
A summary of Monday's action in LaLiga and Serie A.
IMAGES from the European Qualifiers for the 2026 FIFA World Cup.
Defending champions Inter Milan secured a 2-1 home win against Udinese in Serie A on Sunday with first-half goals from Marko Arnautovic and Davide Frattesi.
Ukraine came from behind to beat visitors Belgium 3-1 in the first leg of their Nations League playoff on Thursday
Images from Sunday's action in LaLiga and Serie A.
Images from the Euro 2024 Round of 16 match between France and Belgium, at Dusseldorf Arena, Dusseldorf, Germany, on Monday.
A summary of Saturday's action in LaLiga, Serie A, Bundesliga and Ligue 1.
Napoli forward Lukaku, who has battled to regain match fitness after joining the club in late August, delivered an impressive performance with one goal and two assists.
All the action from La Liga and Serie A matches played on Sunday.
Belgium will have no complaints about the first VAR decision to disallow a goal, but cancelling out a second strike from Romelu Lukaku, which denied them a late equaliser against Slovakia at Euro 2024 on Monday, is the tournament's first controversy.
Tracking the key moves this week in the European transfer market
Napoli thrash Palermo to advance to Coppa Italia last 16
Belgium came close again when a goalmouth scramble ended with substitute Johan Bakayoko shooting for what seemed a certain goal, only for Slovakia defender David Hancko to clear the ball off the line.
Real Madrid paid for defensive mistakes as they were held to a 3-3 draw at lowly local rivals Rayo Vallecano on Saturday.
Defensively, however, France conceded only a single goal -- a penalty to Poland that Robert Lewandowski converted at the second attempt.
Jude Bellingham converted a penalty and Kylian Mbappe added another goal before halftime to spur Real Madrid to a 2-0 victory over Getafe.
Youri Tielemans and Kevin De Bruyne gave Belgium a 2-0 win over Romania in an incredible game full of chances
Wing back Thomas Meunier also trained individually as he continues his recovery from a cheekbone fracture. He played 20 minutes in Friday's friendly loss to Egypt in Kuwait City.
For months, the 2024 Ballon d'Or seemed to have a clear front-runner, with everyone anticipating the coronation of Vinícius Júnior as the new king of football.
Vinicius Jr came off the bench to score once and set up another goal to steer champions Real Madrid to a 4-1 fightback victory over Espanyol.
Israel debutant Yarden Shua scored an 86th-minute winner as they upset more fancied Belgium 1-0 in Budapest on Sunday.
France qualified for the quarter-finals of the Nations League despite a lacklustre goalless draw against Israel on Thursday.
Goalkeeper Thibaut Courtois will not travel with Belgium for their Euro-2024 qualifier in Estonia on Tuesday as local media reported he is unhappy at being overlooked for the captaincy in this past weekend's 1-1 home draw with Austria.
Regulations in Milan, which is in one of Italy's Yellow Zones, include a curfew between 2200 and 0500 with breaches resulting in fines.
Romania face tough test against experienced and motivated Ukraine
The 28-year-old's move from Serie A to the Champions League holders is expected to be 97.5 million pounds ($135.26 million).
Barcelona top the LaLiga standings with 15 points, four ahead of Real Madrid and Villarreal. Girona are seventh on seven points.
Asked whether he will make his debut against Arsenal in the Premier League on Sunday, the 28-year-old said that he has been training throughout the pre-season and "feels good".
IMAGES from the UEFA Nations League matches played on Monday.
Greece beat England for the first time as striker Vangelis Pavlidis's double earned the visitors a richly-deserved 2-1 victory.
Lukaku used his goal after 10 minutes in St Petersburg to send a message of support to Eriksen, who dropped to the ground during Denmark's opening Euro 2020 game against Finland in Copenhagen and was given CPR on the pitch earlier in the day.
Ivan Toney, once Brentford's lynchpin in attack, has moved to Al-Ahli for 40 million pounds ($52.50 million).
Images from the Euro 2024 Group E matches between Slovakia and Romania, Ukraine and Belgium, in Germany on Wednesday.
IMAGES from the Europa League semifinal matches played on Thursday.
"That is why we should see this match (against Egypt) mainly as a wake-up call. It was also useful in giving some players much-needed minutes."