A second-half Peter Crouch header earned Liverpool a 1-0 victory at Girondins Bordeaux.
Girondins Bordeaux ended the unbeaten Champions League run of surprise package CFR Cluj with a 1-0 win over the Romanian side.
Last season's beaten Champions League finalists, began their new campaign with a convincing 4-0 victory over Girondins Bordeaux in their Group A match at Stamford Bridge on Tuesday.
Girondins Bordeaux are on course to reach the Champions League quarter-finals for the first time after Michael Ciani's first-half header earned Laurent Blanc's side a 1-0 victory at Olympiakos Piraeus on Tuesday.
Tottenham were joined in the knockout rounds of the UEFA Cup by Bayer Leverkusen, Spartak Moscow, FC Zurich and Girondins Bordeaux.
Holders Manchester United will face familiar foes Celtic in this season's Champions League group stage.
Bayern Munich general director Karl-Heinz Rummenigge has urged the troubled German side to lift their game or face elimination at the Champions League group stage.
Chelsea completed a clean sweep for English teams in the Champions League group stage after beating Cluj 2-1 on Tuesday to join holders Manchester United, Arsenal and Liverpool in the last 16 of the competition.
Bayern Munich and Fiorentina, two teams moving in opposite directions, clash in the Champions League on Wednesday with the Bavarians firm favourites to progress to the last eight.
Chelsea's World Cup winning coach Luiz Felipe Scolari becomes the latest to try to guide the rich London club to European club football's big prize on Tuesday when the Champions League groups stages kick off.
Former European champions Liverpool and Inter Milan sealed their berths in the Champions League last 16 but last season's finalists Chelsea still have work to do after a 1-1 draw at Girondins Bordeaux on Wednesday.
Chelsea, last season's beaten finalists, are taking nothing for granted in their first match against Romanian opposition despite Cluj's lack of European experience.
Bayern Munich, facing an early Champions League exit, revived their chances of reaching the last 16 on Wednesday as they beat Maccabi Haifa 1-0 and rivals Juventus lost at Girondins Bordeaux. AC Milan missed a chance to qualify when they were held 1-1 at home by Olympique Marseille and Real Madrid produced an uninspiring 1-0 win over Swiss champions FC Zurich in the same group.
Luiz Felipe Scolari said his Chelsea team did not play as well as he would have liked despite their emphatic 4-0 win over Girondins Bordeaux in their opening Champions League Group A match on Tuesday. Bordeaux manager Laurent Blanc, a winner at Stamford Bridge during his spell in central defence with Manchester United at the start of the decade, said Chelsea were far the better team.
Parma, joint bottom of Serie A alongside Cesena, have signed Uruguay midfielder Cristian Rodriguez and Portugal forward Silvestre Varela, both on loan, the club said on Tuesday.
Former European champions Ajax Amsterdam and Celtic, who both suffered the indignity of being knocked of the Champions League qualifiers by underdogs this season, will meet in the Europa Leagueafter being drawn together in the group stage on Friday.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field
Lazio won 2-0 at Legia Warsaw on Thursday to qualify for the Europa League knockout stages after a tie marred by violence when Italian fans fought with Polish police on the way to the stadium.
The win lifted Hamburg, who needed a relegation playoff to stay up last season, to seventh on six points.
For however much or little it counts, Belgium have history on their side in not having lost to the Irish for 50 years, which includes beating them by a single goal in the playoffs to win a place at the 1998 World Cup in France.
Liverpool's Matip did not want to play for Cameroon for the moment because of a 'bad experience' with the previous coaching staff
The value of an in-form striker was underlined as Tottenham Hotspur, Liverpool and Athletic Bilbao needed goals from pivotal front men to grab vital wins that booked places in the Europa League last 32 on Thursday.
Napoli began their Europa League group stage campaign in scintillating fashion.
Four-time European Champions Ajax Amsterdam were felled at the first hurdle of the continent's second tier Europa League on Thursday, exiting in the group stage two days after rivals PSV Eindhoven celebrated long-awaited success.
Chelsea's Ruben Loftus-Cheek had a Europa League night to remember by scoring the first hat-trick of his career as the midfielder inspired them to a 3-1 home win over Belarus champions BATE Borisov on Thursday.
New Liverpool boss Juergen Klopp made it three wins from his last three matches with a 1-0 success at Rubin Kazan in Russia that left them second in Group B, two points behind Swiss club Sion on Thursday.
News of all that's transpired on and off the football field
Unai Emery's Villarreal were much improved in the second half and had spurned numerous chances before Moreno's leveller.
News of all that transpired on and off the football field.
News of all that transpired on and off the football field
Fiorentina fell behind to a spectacular scissors-kick goal from Pandurii's Eric Pereira before hitting back in the last five minutes to win 2-1 on Thursday and lead a charge of teams into the Europa League knockout stages.
A round-up off all transpired on and off the football pitch
Images from the soccer matches played across Europe on Saturday.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field.