Frenchman Lenglet's first league start since his 36 million-euro move from Sevilla turned sour when he was shown a straight red card in the 35th minute at the Nou Camp following a coming together with Pons, after referee Jesus Gil Manzano consulted the video assistant referee (VAR).
Barcelona coach Luis Enrique defended his team's integrity on Friday after a week in which his players were criticised by the highest powers in Spanish soccer following last week's dramatic 3-2 win at Valencia.
Barcelona, Atletico Madrid and Real Madrid resume a nail-biting La Liga title race on Saturday after all notched up victories on Wednesday. Leaders Barcelona, who ended a four-game winless streak by hammering Deportivo La Coruna 8-0 away from home, host struggling Sporting Gijon on Saturday. Atletico battled to a 1-0 win at Athletic Bilbao to stay level on 79 points with Barcelona, who top the table with a superior head-to-head record and host Malaga. Real stayed one point behind their title rivals after beating Villarreal 3-0 and are expected to be without top scorer Cristiano Ronaldo for their visit to struggling neighbours Rayo Vallecano. The Portuguese forward was unable to finish the game against Villarreal after suffering cramp in stoppage time but eased concerns he had suffered a serious injury.
Venus Williams has pulled out of the upcoming Brisbane International after suffering a 'setback' in training
News of all that's transpired on and off the football field
Barcelona dropped points for the third time in four league games as they were held 0-0 by local rivals Espanyol in a heated Catalan derby. Atletico Madrid moved two points clear of Barca at the top of the table, having played a game more, thanks to substitute Thomas Partey's late winner to edge past Levante 1-0. Real Madrid now trail Atletico by five points ahead of their trip to Valencia on Sunday.
Images from the UEFA Champions League matches on Tuesday night.
News of all that's transpired on and off the football field
Spain's talisman Rafael Nadal sealed a sixth Davis Cup title for his country on Sunday when they beat Canada 2-0 in the final of the revamped event.
Images from Day one of the 2019 Davis Cup at La Caja Magica in Madrid on Monday
Real play Athletic Bilbao while Barcelona visit Real Sociedad in fixtures that have often proved to be among their hardest away trips over the last decade.
Alexander-Arnold, seeing the Spanish club's defenders still getting organised, feigned to walk away from the corner before racing back to whip the ball to the unmarked Divock Origi, who clipped it past Marc-Andre ter Stegen.
Here are five talking points from the weekend's action:
Five-times winners Liverpool were knocked out of the Champions League in the group stages despite a 1-0 win at Debrecen on Tuesday while Fiorentina and Arsenal qualified for the last 16.
Argentine striker Gonzalo Higuain scored twice for 10-man Real Madrid in a 2-0 home win over Getafe on Saturday that eased the pressure on coach Manuel Pellegrini. Real have 22 points from nine games and are one point behind La Liga leaders Barcelona after the champions were held to a 1-1 draw at Osasuna, Gerard Pique scoring in his own net in the last minute.
Barcelona's stuttering title bid suffered another setback when they lost 2-1 at home to Valencia on Sunday, while Atletico Madrid moved level on points with the La Liga leaders after a comfortable win over Granda.
Atletico Madrid will have centre backs Diego Godin and Stefan Savic available again for Tuesday's Champions League quarter-final first leg at Barcelona.
Barcelona coach Luis Enrique said he believes Lionel Messi will sign a new contract with the Spanish champions despite reports the five times World Player of the Year is stalling over a new deal.
Barcelona's 16-year-old forward Ansu Fati continued his explosive start to life in the first team by scoring and providing an assist as the La Liga champions thrashed Valencia 5-2 on Saturday.
IMAGES from the Champions League matches played on Tuesday.
The World Cup has seen the most talented footballers on the planet. The tournament is also home to the glamorous wives and girlfriends (WAGs) of these players.
Barcelona and Bayern fought hard but failed to break the shackles until the 77th minute in the match when Messi struck the first and three minutes later struck his 77th Champions League goal to double Barca's advantage.
Barcelona coach Luis Enrique led tributes to the late Johan Cruyff in a memorial organised by the club on Tuesday and vowed to "continue copying and improving his style of attacking football".
AS Roma pulled off one of the great Champions League comebacks by knocking Barcelona out with a remarkable 3-0 win in their quarter-final second leg on Tuesday, overcoming a 4-1 deficit from the first game to reach the last four on away goals.
'I want the market to damn well close so that I know who I can count on'
Barca's Suarez in firing line after European away goals drought
The new-look Davis Cup, masterminded by Barcelona footballer Gerard Pique, has the potential to rival golf's Ryder Cup as a sporting spectacle, the tennis competition's organisers say.
Both sides had shots cleared off the line but Real were left feeling more disappointed after winning the tactical battle but failing to take their chances.
Cristiano Ronaldo, Lionel Messi and Antoine Griezmann appear among the 55 nominees for the FIFPro 2016 World 11 released on Friday but England forward Wayne Rooney failed to make the shortlist for the first time. Portugal captain Ronaldo, led his country to victory at Euro 2016, while France forward Griezmann was the top player at the tournament. It is the first time that 25-year-old Griezmann has made the cut, but England captain Rooney is absent for the first time in the competition's 12-year history, after England crashed out of Euro 2016 to lowly Iceland.
Coach Zinedine Zidane learned the lessons of predecessor Rafael Benitez's disastrous tactics in the last encounter and employed defensive midfielder Casemiro in favour of more attack-minded players, opting instead to sit and wait for Barcelona.
Madrid's trip to San Sebastian was full of intrigue after Barca failed to beat Sevilla and the Catalan side's defender Gerard Pique said the title was now Madrid's for the taking.
Images from the UEFA Champions League matches played on Tuesday night.
Cameroonian teenager Wilfrid Kaptoum scored a late equaliser to give Barcelona a 1-1 draw at Valencia that wrapped up an 8-1 aggregate success in their King's Cup semi-final on Wednesday.
Bayern Munich coach Pep Guardiola had predicted there was nothing he could do to contain the sublime talent of Lionel Messi during their Champions League semi-final against Barcelona on Wednesday -- and he was proved right.
La Liga champions Barcelona fell to their first opening day defeat of the season in 11 years when they were beaten 1-0 at Athletic Bilbao thanks to a sensational late overhead kick from veteran striker Aritz Aduriz.
Italian Bracciali banned for life, Starace for 10 years
If bookmakers introduced a bet on who would be named official man-of-the-match at tournaments, Andres Iniesta would be a short-priced favourite in every Spain match at Euro 2016.
Real Madrid on top because of performances, not referees, says coach Zidane.
Zlatan Ibrahimovic is racing to be fit for Sweden's Euro 2016 qualifiers against Russia and Liechtenstein in Stockholm, but won't risk playing with pain-killing injections.
Barca are now second on 66 points, two behind Real who have a game in hand as they chase a first title triumph since 2012.