Senad Lulic scored a late goal to give Lazio a 1-0 win at Napoli which sent them into the Coppa Italia final and added to Rafael Benitez's problems on Wednesday.
Roman Pavlyuchenko's late strike gave Tottenham Hotspur a Champions League lifeline on a torrid night against Swiss club Young Boys as they clawed back from a calamitous start to lose their playoff first leg 3-2.
The win pulled Inter on level with Napoli. Both have 22 points, six behind leaders Juventus, and Inter have the better goal difference, although positions are ultimately decided on the head-to-head record.
In other European football action Real Madrid were left frustrated after a goalless draw against Athletic Bilbao in their La Liga match on Sunday.
Ireland beat Bosnia 2-0 to qualify for their second successive European championship finals on Monday, progressing 3-1 on aggregate after a Jon Walters brace secured a second-leg playoff win at the Aviva Stadium.
AS Roma qualified for the Champions League group stage in the best possible style on Monday, booking their place with a last-gasp 2-1 win over neighbours and bitter rivals Lazio in a passionate Rome derby.
Heavyweights Arsenal, Atletico Madrid and Lazio took big steps towards reaching the Europa League semi-finals after convincing home first-leg victories and RB Leipzig also stayed on course with a 1-0 win over Olympique de Marseille on Thursday.
Bosnia captain Edin Dzeko struck a hat-trick to kick-start their Euro 2016 qualifying campaign as they beat no-hopers Andorra 3-0 in a one-sided Group B match in Andorra La Vella on Saturday.
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Giacomo Bonaventura's free kick earned Milan a 1-0 win over Pescara to move them into the top three of Serie A on Sunday.
Juventus and Inter, who have 42 points each from 17 games, both play on Monday while Lazio, with 39 from 17, have an outstanding fixture at home to Verona to come in early February.
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Juventus goalkeeper Gianluigi Buffon saved a penalty and Andrea Pirlo curled in a trademark free kick late in the game to give the Serie A leaders a dramatic 1-0 win at Genoa on Sunday.
New coach Luciano Spalletti failed to inspire AS Roma as they were held 1-1 at home by bottom club Verona on his debut on Sunday and Juventus notched their 10th Serie A win in a row by hammering Udinese 4-0 away.
Eric Choupo-Moting scored his third Ligue 1 goal of the season on Sunday but the Paris St Germain forward's incredible miss later in the game was the moment that will be remembered from his performance in Sunday's 2-2 draw against Racing Strasbourg.
Mbappe struck in the 74th minute to put PSG on 80 points from 29 games and on the brink of retaining the title with second-placed Lille, who beat Nantes 3-2 away earlier on Sunday, still 20 points behind having played a game more.
An insatiable Lionel Messi scored for the eighth game in a row in all competitions as La Liga champions Barcelona saw off a gutsy Girona side 2-0 to go five points clear at the top of the standings.
Andy Murray clinched the Vienna Open title on Sunday with a 5-7, 6-2, 7-5 victory over David Ferrer, one of the Briton's main rivals in the battle to qualify for the ATP World Tour Finals.