Gonzalo Higuain pulled one back three minutes later with a typically opportunist goal, the Argentine's 13th in the league this season, to set up a tense final half hour.
News of all that's transpired on and off the football field
Defender Miguel Britos was sent off for head-butting an opponent as Napoli lost 3-1 at champions Juventus on Saturday, all but ending their hopes of Champions League football next season.
The Welsh, who reached the Euro 2016 semi-finals, finished runners-up on 14 points from eight games, three behind Croatia who sealed their berth on Saturday with a 3-1 win over Slovakia.
Fiorentina hit four goals before halftime, including a cheeky backheel by Gonzalo Rodriguez and a Panenka-style penalty from Khouma Babacar, to beat Frosinone 4-1 and join Inter Milan at the top of Serie A on Sunday.
Inter Milan's Serie A title hopes suffered a setback as they conceded a stoppage-time equaliser and were held 1-1 at home by relegation-threatened Carpi and leaders Napoli swept to a 4-2 win at Sampdoria.
Champions Juventus returned to the top of Serie A with a 4-0 home rout of Cagliari on Wednesday, while former leaders Napoli dropped to second after being held to a goalless draw at Genoa.
'I understood that if I dedicated myself solely to coaching, I could get much better at it'
England drew 0-0 with Slovakia on Monday to finish second in Euro 2016 Group B and qualify for the knockout phase behind Wales who beat Russia 3-0 in their final match.
Alessandro Florenzi ran more than half the length of the field to score and cap a 2-0 win for AS Roma over Genoa which took them back into second place in Serie A on Sunday.
Lazio thumped Empoli 4-0, their eighth successive league win, to go second in Serie A on Sunday and Napoli ended their dismal run with a 3-0 win over Fiorentina despite being denied a clear goal.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field
A round of Wednesday night's Champions League group stage matches.
Serge Gnabry continued his impressive scoring run for Germany, netting in second-half stoppage time for his ninth goal in his 10th international, completing Germany's eighth consecutive win over Northern Ireland.
England became only the sixth team to end a European qualifying campaign with a 100 percent record when they beat Lithuania 3-0 in their final Group E match on Monday.
Arsenal will have to produce the biggest second leg comeback in a Champions League knockout tie to avoid a seventh successive exit at the last 16 stage when they host Bayern Munich on Tuesday.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field
Juventus made light work of bitter rivals Inter Milan on Sunday, winning 3-1 to increase their Serie A lead to nine points after AS Roma were washed out and Napoli blundered to a 3-0 defeat at Atalanta.
Sevilla stayed firmly on course for a second consecutive Europa League crown when an Aleix Vidal double and a Kevin Gameiro strike secured a thumping 3-0 win at home to Fiorentina in their semi-final first leg on Thursday.
Sevilla's Kevin Gameiro grabbed a late equaliser in a 2-2 draw at Zenit St Petersburg on Thursday to send the Europa League holders into the semi-finals after woeful goalkeeping had threatened to ruin their night.
Manchester United flirted with calamity before coasting into the Europa League last 16 as debutant Marcus Rashford helped them overcome an early blow with two goals in a 5-1 home victory over Midtjylland on Thursday.
Alexis Sanchez had equalised for the visitors, scoring on the rebound after Manuel Neuer saved his 30th-minute penalty but the Gunners suffered when captain Laurent Koscielny limped off injured to leave the defence exposed.
Images from the Champions League matches played on Tuesday
Arsenal qualified for a 17th successive season with a nervy 1-0 win at home to Besiktas and Malmo made it for the first time with a 3-0 win over Salzburg, whose participation ended in the qualifiers for the ninth time in a row.
News of all that's transpired on and off the football field
Photos from the Euro 2016 qualifying matches played on Sunday.
Mario Mandzukic and Nikola Kalinic grabbed hat-tricks as Croatia achieved a record win as an independent nation by demolishing San Marino 10-0 in their final Euro 2016 warm-up match in Rijeka.
An inexperienced Germany suffered an embarrassing 3-1 defeat to Slovakia in a storm-affected friendly ahead of Euro 2016.
IMAGES from the FIFA World Cup qualifiers played across Europe on Sunday
Photographic summary of the football matches played across Spain, Italy and France
A summary of Tuesday's group matches in the UEFA Champions League.
Images from the UEFA Champions League matches played across Europe on Wednesday
Atletico Madrid sealed top spot in Champions League Group D after second half goals from Frenchmen Kevin Gameiro and Antoine Griezmann but Napoli were held to a 0-0 Champions League draw at home by Dynamo Kiev.
Barcelona battled back from a goal down and scored twice in the second half to overcome hosts Borussia Moenchengladbach 2-1 in their Champions League Group C match on Wednesday despite the absence of the injured Lionel Messi.