Alex Oxlade-Chamberlain became the second England international to leave Arsenal in two days when he joined Premier League rivals Liverpool for a reported 40 million pounds on Thursday.
Schalke 04 beat rivals Borussia Dortmund 2-1 in the Bundesliga Ruhr valley derby on Saturday to confirm their improving form after a bad start to the season.
Manchester United humbled Manchester City 4-2 in the continent's big derby of the weekend.
Manchester City made it five wins out of five in the Premier League and Cristiano Ronaldo scored five goals for Real Madrid but Chelsea and Juventus continued to struggle at the weekend as the Champions League looms.
The Champions League group stages took on a less predictable look after Thursday's draw, helped by UEFA's decision to tweak the seeding system.
Striker Robert Lewandowski scored a second-half hat-trick as Borussia Dortmund reclaimed top spot in the Bundesliga with an awe-inspiring 6-1 demolition of VfB Stuttgart on Friday.
News of all that's transpired on and off the football field
Runaway leaders Bayern Munich survived a torrid opening against Nuremberg, who hit the bar and had two players carried off injured in the first half hour, before hitting back for a 2-0 win in the Bundesliga on Saturday.
Sevilla's love affair with the Europa League was immediately rekindled as last season's champions and three-time winners began this year's group stage with a 2-0 home victory over Feyenoord on Thursday.
News of all that's transpired on and off the football field
Napoli put a foot in the Europa League semi-finals with a perfectly crafted 4-1 win at VfL Wolfsburg on Thursday as Marek Hamsik scored twice in an Italian masterclass to bring cheer to beleaguered coach Rafael Benitez.
Fiorentina tore apart Italian rivals AS Roma to reach the Europa League quarter-finals with a 3-0 win that left their opponents' season in tatters and under-fire coach Rudi Garcia tottering on the brink of the sack.
Bayern Munich went top of the Bundesliga with a 1-1 draw at Bayer Leverkusen on Saturday as rivals Borussia Dortmund slumped to their first defeat of the season with a 2-0 reverse at Borussia Moenchengladbach.
News of Van Gaal's impending departure from the club leaked out minutes after Saturday's 2-1 extra-time victory over Palace and, following relentless media speculation and a day of negotiations, it was confirmed by both sides on Monday evening.
Barcelona lost ground on La Liga leaders Real Madrid when their 11-match winning streak was snapped by Malaga, while Premier League pacesetters Chelsea dropped points at home to Burnley. Bayern Munich enjoyed a second-successive goalrush in the Bundesliga after routing Paderborn 6-0 while AS Roma lost ground to Serie A leaders Juventus after yet another draw. This and more from the happenings in the world of football over the weekend.
News of all that's transpired on and off the football field
News of all that's transpired on and off the football field
Chelsea, Bayern Munich, Real Madrid and Juventus consolidated their top-flight leads at the weekend while Paris St Germain proved too strong for Ligue 1 leaders Olympique Marseille.
Images from Tuesday night's UEFA Champions League group stage matches.
News of all that's transpired on and off the football field
Real Madrid's star striker Cristiano Ronaldo made up for his otherwise quiet night by scoring the winner to beat Barcelona 2-1 win at the CampNou in Barcelona on Saturday.
Photos from the UEFA Champions League matches played across Europe on Wednesday
Portugal forward Cristiano Ronaldo won the FIFA Ballon d'Or award for the second year running and the third overall on Monday after a prolific, trophy-filled year with Real Madrid.
News of all that's transpired on and off the football field
Borussia Dortmund steam-rollered hapless Freiburg 5-0 while Bayern Munich plodded past VfL Wolfsburg 1-0 as the two unbeaten arch-rivals remained level on points at the top of the Bundesliga on Saturday.
Barcelona look well set to wrap up the La Liga title.
Chelsea moved within touching distance of a first Premier League title in five years with a 1-0 win over Manchester United while Lionel Messi reached a landmark with his 400th career goal for La Liga leaders Barcelona.
News of all that's transpired on and off the football field
La Liga champions Real Madrid beat Getafe 3-1 on Saturday with a goal from Gareth Bale and two strikes from Cristiano Ronaldo to go 12 points behind leaders Barcelona and warm up for next week's Champions League game at Paris St Germain.
A summary of sports events and sports persons, who made news on Tuesday
Check out the top footballers of the weekend.
Real Madrid were the big winners in Spain as their success at Almeria was followed by a Barcelona draw and a surprise Atletico Madrid defeat.
Cristiano Ronaldo set a record for goals scored in the group stage of the Champions League of 11 when he netted four against Malmo in Group A on Tuesday.
Football news from Ligue 1, Bundesliga and La liga.
News of all that's transpired on and off the football field
A weekend of surprise results across Europe's big leagues saw Bayern Munich's unbeaten run come to an end, Napoli knocked off top spot in Serie A and Manchester City toppled in the Premier League where Leicester City are the new leaders.
In an exciting weekend for football lovers, Cristiano Ronaldo and Lionel Messi continued their extraordinary double act, both scoring hat-tricks as Real Madrid and Barcelona maintained their battle for supremacy at the top of La Liga. Chelsea's unbeaten start to the Premier League season ended with a dramatic 2-1 defeat at Newcastle United on Saturday but no-one can get the better of Bayern Munich, who marched on in the Bundesliga with a 1-0 win over Bayer Leverkusen. We present a summary of events in photos.
Tottenham Hotspur's Erik Lamela scored a stunning 'rabona' goal to light up Thursday's Europa League ties, wrapping his left boot round the back of his right leg 20 metres out and blasting the ball into the top corner.
Wolfsburg shock Real Madrid 2-0 to crown big European night.
Here is the round-up of all the football action across Europe on the weekend