Pep Guardiola says his former club Barcelona remain the best team in the world and thinks if anyone can recover from four goals down against Paris Saint-Germain, it is them.
Barca are in crisis after losing the first leg of their Champions League last-16 tie 4-0 to PSG in Paris.
That has prompted speculation over the future of head coach Luis Enrique, who is out of contract at the end of the season.
But Manchester City boss Guardiola warned critics not to be too hard on Barca if they want to avoid eating their words after the second leg at Camp Nou next month.
"For me Barcelona are still the best team in the world," Guardiola told reporters.
"There is another 90 minutes left in the second leg and anything can happen. If a team can overcome this result, a 4-0 deficit, then that team is Barcelona.
"It is normal after the game the comments that happen. But in 10 years Barcelona have dominated the world of football.
"My advice to everyone is not to criticise Barcelona too much because they have proved everyone wrong before.
"Of course it was a surprise, but in football anything can happen these days if you have a bad day and the opponent play well.
"It has happened to me too. There is a lot of competition and the opposition are really strong."
Guardiola also offered his support to Arsenal boss Arsene Wenger, who has faced fierce criticism after his side's 5-1 loss to Bayern Munich at the same stage of the competition.
"One or two losses and people forget what you have achieved for years," said Guardiola.
"All of my support for Wenger."
|Neymar targets improvement against Costa Rica|
|Confident Spieth ready to relish ´Car-nasty´ Open|
|All Blacks ring the changes for series finale with France|
|Sampaoli yet to decide on Argentina XI to face Croatia|
|Bale needs Real Madrid assurances, says agent|
|What game were you watching? - Costa bites back at journalist|
|Catalans capitalise on Leeds collapse to secure victory|
|Ronaldo facial hair inspired by Quaresma joke|
|This is not football - Carvajal criticises Iran tactics|
|Costa strike keeps 2018 World Cup waiting for first goalless draw|
|FIFA fines Mexico over discriminatory chants|
|Suarez announces wife´s pregnancy after World Cup heroics|
|Fortune favours Spain´s ´Supermen´ as luck proves to be Iran´s kryptonite|
|Hubert Green, U.S. Open winner who ignored death threat, dies at 71|
|Osaka injured in Birmingham, Kerber crashes out in Mallorca|
|Iran 0 Spain 1: Costa goal breaks stubborn resistance|
|Cilic battles back but Wawrinka bows out at Queen´s|
|Messi the greatest but Croatia will play to beat Argentina, says Dalic|
|Thiem stunned by Sugita in Halle|
|Salah rejects talk of rift in Egypt camp|
|England Women follow up men´s ODI record with T20I high|
|Southgate laughs off dislocated shoulder: Better me than one of the players!|
|World Cup hosts Russia qualify as Egypt make early exit|
|Pique wins 100th Spain cap in Iran World Cup clash|
|Serbia v Switzerland: Kolarov not interested in playing for a draw|
|Rakitic wary of ´uber-motivated´ Messi|
|Not my finest moment - Mickelson issues apology after U.S. Open controversy|
|´Best in the world´ Messi the victim of unfair treatment, says Sampaoli|
|Suarez off the mark but resurgent Russia will not fear stuttering Uruguay|
|Uruguay 1 Saudi Arabia 0: Centurion Suarez strikes to send La Celeste, Russia through|
|Peru boss Gareca not a fan of ´novelty´ VAR|
|Nigeria v Iceland: Hallgrimsson anticipates another intense battle|
|Griezmann to face Peru despite ankle issue and struggles – Deschamps|
|Leicester sign Norwich´s Maddison|
|Leinster face Wasps, Bath, Toulouse in Champions Cup draw|
|2019 Ashes to start World Test Championship|
|Wizards to face Knicks in London next season|
|Vettel eyeing Paul Ricard profits - French GP in numbers|
|Malaga turn to Muniz once again|
|Amrabat: VAR doesn´t work if you do not use it|
|Suarez earns 100th Uruguay cap|
|You´ve got to look beyond football - Denmark chip in to fly new father Knudsen home|
|Neymar returns to Brazil training after injury scare|
|No passports required - Burnley´s 51-year wait for European tie sees Clarets draw... Aberdeen|
|Huddersfield bring in Bacuna to boost midfield|
|Forget the GOAT and the goatee - just enjoy Ronaldo and Messi|
|Ronaldo bearing down on Daei after going past Puskas - The top five goalscorers in international foo|
|Portugal 1 Morocco 0: Record-breaker Ronaldo sends Renard´s men out|
|Halep pulls out of Eastbourne International|
|Brazil v Costa Rica: Coutinho ready for more Selecao toil|
|Muller and Bierhoff dismiss reports of German disharmony|
|Mooy can play at a higher level, says Socceroos boss Van Marwijk|
|Remarkable Ronaldo breaks Puskas´ European record|
|Belgian Grand Prix deal agreed until 2021|
|Isco: I´m not going to speak to Ronaldo again!|
|Slater expects to be fit for Origin II|
|Curran and Overton added to England ODI squad|
|Hussey fears Australia will be left with ´mental scars´|
|Fabianski swaps Swansea for West Ham|
|Loftus-Cheek ready to replace Alli|
|England are a team now - Rashford|
|Lazaridis calls for Cahill to start against Denmark|
|Arzani and Ryan can play at the highest level, says Bosnich|
|Dust (Ja)pan and brush: Blue Samurai fans clean up in Saransk|
|Lodge reaches agreement over New York attack|
|Gerrard can become a strong manager - Arena|
|Arsenal target Torreira has left for €30m, says Sampdoria chief|
|Murray unsure over Wimbledon participation|
|De Gea has to bounce back from Ronaldo shocker - Bosnich|
|Martinez not looking for perfection|