Arsenal sailed through the Europa League group stages, winning five of their six group matches and take on Sporting next, who overcame Denmark's FC Midtjylland in their playoff.
If two or more clubs are level on points at the end of the group stage, a number of criteria will be taken into consideration to decide the qualifiers for the next round, starting with the head-to-head record among the teams in question. It then goes to superior goal difference and then goals scored in those matches.
A round-up of Tuesday's action in the UEFA Champions League.
A round-up of Wednesday's action in the UEFA Champions League.
The first legs of the ties will take place on February 16, with the return match a week later on February 23.
The teams finished level at 3-3 on aggregate in the tie but the Lisbon club advanced to the quarter-finals after Adan kept out Martinelli's weak effort.
A round-up of Wednesday's action in the UEFA Champions League.
Barcelona were drawn in Group E with Bayern Munich, Benfica and Dynamo Kyiv.
A round-up of Tuesday's action in the UEFA Champions League.
Manchester City manager Pep Guardiola joked that even winning the Champions League can't make up for Julia Roberts not visiting Manchester City in 2016.
Manchester United bounced back from their defeat with a 4-1 win over Real Betis in the first leg of their Europa League last-16 tie.
Lionel Messi ended 10-man Arsenal's Champions League hopes for the second season in a row when he netted a brilliant goal and a penalty to send Barcelona through to the quarter-finals 4-3 on aggregate on Tuesday.
The Italian said he would avoid big changes to his team this time, after he tested midfielder Luka Modric up front in place of then-injured striker Karim Benzema in the last El Clasico in March, only to get hammered 4-0 by the Catalans.
Sevilla in semis as Wolves miss penalty.
Barcelona fought back to earn a 2-2 draw with Manchester United in a pulsating Europa League knockout round playoff first leg on Thursday.
A summary of the opening day's action in the UEFA Champions league on Tuesday.
Crashing out at the group stage again would be a huge blow to Barcelona's finances, whose perilous state led the club's board to sell a stake in their TV rights and agree to the sale of their audio-visual division.
Manchester City's Erling Haaland faces Borussia Dortmund and Barcelona's Robert Lewandowski meets Bayern Munich after the Champions League group-stage draw was made on Thursday.
Images from Wednesday's action in the UEFA Champions League.
The Real Madrid striker is accused of complicity in the alleged targeting of midfielder Mathieu Valbuena, who plays for the Greek Super League club Olympiacos. Prosecutors allege that Benzema encouraged Valbuena, 37, to pay the blackmailers.
Players who have been ruled out or are doubtful for the 2022 World Cup.
Indian football hero of '80s, Chibuzor dies
A round-up of Tuesday's action in the UEFA Champions League.
Shakhtar Donetsk striker Maicon has been killed in a car crash, the Ukrainian club said on their website on Saturday.
Bayern Munich conceded a stoppage-time equaliser through VfB Stuttgart striker Serhou Guirassy from the penalty spot for a 2-2 on Saturday, the champions' third consecutive Bundesliga draw.
IMAGES from the Champions League matches played on Wednesday.
IMAGES from the Champions League matches played on Tuesday
Luka Modric pulled one back for Zinedine Zidane's shellshocked side with a brilliant strike from distance early in the second half before substitute Vinicius Jr reduced the deficit to one goal.
With the away goals rule no longer in place this season, PSV missed a string of chances to force extra time with Eran Zahavi hitting the crossbar from three metres with the goal at his mercy in the 62nd minute.
Olympiakos Piraeus battled back from a two-goal deficit to earn a 2-2 home draw with last year's runners-up Tottenham Hotspur in their Champions League Group B opener.
Villarreal's Adrian Lopez produced a stinging sucker punch in stoppage time to leave Liverpool reeling and move the Spaniards closer to a maiden European final after their Europa League last four first leg clash finished 1-0 on Thursday.
The draw was made on Monday for the Champions League round of 16.
AC Milan have been drawn to play Manchester United in what is the standout tie in next month's Europa League round of 16.
Russia's invasion of Ukraine was condemned by the sporting community on Thursday, with President Vladimir Putin's country losing hosting rights for the UEFA Champions League final while Formula One drivers said it was "wrong" to race there this year.
Images from the UEFA Champions League matches played on Tuesday.
AS Roma midfielder Daniele de Rossi received a three-match ban on Friday for an off-the-ball incident in last week's Champions League match against Shakhtar Donetsk.
Manchester United took a big step towards the Europa League quarter-finals by thrashing Austrian side LASK Linz 5-0 on Thursday in their last 16 first-leg tie at an empty Linzer Stadium due to the coronavirus pandemic.
Bayern Munich go into their Champions League last-16 second leg at home to Shakhtar Donetsk on Wednesday knowing the game will make or break their season.
Images from the UEFA Champions League matches played on Wednesday night.
A summary of Tuesday's matches in the UEFA Champions League.