Lionel Messi struck twice on his return to the starting line-up as Barcelona thrashed Roma 6-1 at the Nou Camp.
Scroll back to see how Barcelona thrashed Roma at the Nou Camp in the Champions League.
Juventus edged AC Milan but Roma missed the chance to go top of Serie A.
Wojciech Szczesny says he will wait until after Euro 2016 before deciding whether to return to Arsenal next season.
Roma want Wojciech Szczesny to stay beyond the end of his current loan deal from Arsenal, says Walter Sabatini.
Fiorentina returned to the Serie A summit with victory at Sampdoria on Sunday, while Lazio lost to Roma in the Rome derby.
Barcelona beat BATE Borisov to close in on the Champions League's last 16, while Zenit are through and Olympiakos, Roma and Porto also won.
Inter Milan edged 10-man Roma 1-0 and leapfrogged their opponents into first place in the Serie A table.
Inter Milan edged 10-man Roma 1-0 on Saturday evening in Serie A and leapfrogged their opponents into first place.
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Roma cruised to a 3-1 win against Udinese at the Stadio Olimpico to return to the top of Serie A.
Gianluigi Donnarumma made history on Sunday by becoming the youngest goalkeeper ever to start a match in Serie A.
Roma won 2-1 at Fiorentina on Sunday for their fourth straight league win and leapfrogged their opponents into top spot.
Substitute Ivan Rakitic scored both goals as Barcelona sealed a comfortable 2-0 win over BATE Borisov.
Daniele De Rossi scored in his 500th game for Roma in a 3-1 win over Empoli that lifts them into second place in Serie A.
Roma climbed to second place in the Serie A table by beating Empoli 3-1 at the Stadio Olimpico.
Red-hot Fiorentina replaced Inter Milan as Serie A leaders by cruising to a 3-0 home victory over Atalanta on Sunday.
Barcelona beat Bayer Leverkusen 2-1 on Tuesday, while there were also Champions League wins for Bayern Munich and Valencia.
Bosnia look set to be without captain Edin Dzeko for next month's European Qualifer against Wales.
Juventus' poor Serie A start continued with defeat at Napoli, while Roma returned to winning ways against struggling Carpi.