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.
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.
Cristiano Ronaldo was booed by Real Madrid fans despite grabbing one goal and laying on another in their 2-0 Champions League last-16 second leg win over AS Roma on Tuesday.
Watford equalised seconds before halftime through Abdoulaye Doucoure and in a rampant spell of attacking football went ahead four minutes after the break when Roberto Pereyra tapped home a Richarlison cross.
'I'm very excited to be here. I'm very happy'
Argentine Hernan Crespo struck again as AC Milan won 2-0 at Roma on Sunday to keep level at the top of Serie A with Juventus.
Salah's strikes brought him to a remarkable 43 goals in all competitions this season, keeping him at the front of the list of top scorers in Europe
For the first time the Best Player award had been shared in its seven-year history.
Striker Didier Drogba scored on his debut as Chelsea won 3-0 in the Champions World Series.
Unstoppable duo Andres Iniesta and Lionel Messi helped Barcelona thrash Sevilla 5-0 to win the King's Cup final for the fourth consecutive season on Saturday as they close in on a likely domestic double.
Some of soccer's biggest names are cheering the rescue of 12 Thai boys and their coach from a flooded cave
News of all that transpired on and off the football field.
Italy coach Giovanni Trapattoni resisted any surprises when he named his team to face Denmark in their Group C opener on Monday.
Ibrahimovic has not played since suffering a career-threatening knee ligament injury in United's Europa League quarter-final second leg match against Anderlecht at Old Trafford in April.
Fabio Capello replaces Marcello Lippi who left the club at the end of the season.
Star Italian forward Francesco Totti said he would not quit the Serie A in any circumstances.
The Spanish giants drew 1-1 at home to Bayer Leverkusen in the Champions League.
Bayer Leverkusen rallied with three second-half goals to beat AS Roma 3-1 in a Champions League Group B match on Tuesday.
Chelsea, Liverpool, Celtic, AC Milan, AS Roma and Bayern Munich join Manchester United for the Champions World series. \n\n
A stunning first-half strike by Kwadwo Asamoah gave Serie A leaders Juventus a 1-0 win over Fiorentina as they maintained their 100 percent home record in the league in Sunday.
Juventus coach Massimiliano Allegri has confirmed that the Serie A leaders are interesting in signing Dutch midfielder Wesley Sneijder from Galatasaray.
The draw interrupted a run of four straight league wins for Zinedine Zidane's side and left them second on 67 points after 31 games, three behind leaders Atletico who thrashed Eibar 5-0 earlier in the day.
Michael Owen scored the winning goal five minutes from time to give Liverpool a 2-1 victory in the Champions World Series.
The Egyptian becomes the fastest player to score 50 goals for Liverpool, achieving the feat in 65 games.
Lionel Messi dragged a nervous Barcelona to a 1-0 win at home to Levante in La Liga, while Cristiano Ronaldo converted two late penalties on his 100th appearance for Juventus in all competitions as the Serie A titleholders ground out a 3-1 win away to a dogged Genoa side.
Inter Milan's Mauro Icardi scored with two minutes remaining to hand them a 2-1 win over AS Roma.
New of all that's transpired on and off the football field on Saturday.