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.
The Brazilian midfielder signed from Serie A rivals AS Roma for 28 million euros.
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.
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.
The Egyptian becomes the fastest player to score 50 goals for Liverpool, achieving the feat in 65 games.
Toronto FC's Justin Morrow, executive director of the Black Players for Change organization, said MLS players wanted to add their voices to the movement.
Brazil have agreed to give Adriano time off from their Confederations Cup build-up.
United are 16th in the standings with a game in hand heading into the international break.
Karim Benzema scored his sixth goal in four games as Real Madrid beat Alaves 3-0 on Sunday for a fourth successive La Liga victory which took the European champions to within eight points of leaders Barcelona.
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.
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.
Italy coach Giovanni Trapattoni resisted any surprises when he named his team to face Denmark in their Group C opener on Monday.
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.
News of all that's transpired on and off the football field.
Fabio Capello replaces Marcello Lippi who left the club at the end of the season.
Juventus coach Massimiliano Allegri has confirmed that the Serie A leaders are interesting in signing Dutch midfielder Wesley Sneijder from Galatasaray.
Star Italian forward Francesco Totti said he would not quit the Serie A in any circumstances.
Zidane plays down Ronaldo injury; Liverpool's Gomez sidelined after surgey
The Spanish giants drew 1-1 at home to Bayer Leverkusen in the Champions League.
News of all that's transpired on and off the football field.
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
Inter Milan's Mauro Icardi scored with two minutes remaining to hand them a 2-1 win over AS Roma.
Images from the football matches played across Europe on Sunday.
Senad Lulic scored a late goal to give Lazio a 1-0 win at Napoli which sent them into the Coppa Italia final and added to Rafael Benitez's problems on Wednesday.
