Scotland captain John Barclay feels England are "massive favourites" for Saturday's Calcutta Cup clash at Murrayfield.
Holders England have won their first two Six Nations matches as they aim to become the first team to win the tournament outright three years in a row.
Scotland have not beaten the 'auld enemy' for a decade and Barclay knows they will have their work cut out in Edinburgh this weekend.
"They've obviously won their first two games [against Italy and Wales], two quite different games, won in different fashions," said the back-row forward.
"They are one of the best teams in the world, their record is fantastic. They come here as massive favourites.
"They are a quality side with the quality players throughout. It's a big challenge for us to stop them."
England beat Wales last time out and Barclay was given a debrief by some of his Scarlets team-mates during the break between international matches.
He added: "I went into the club on the week off and just had a little chat with some of them [Scarlets' Wales contingent] but the footage is there for you to see their strategies.
"They [Wales] gave away two penalties in the whole game - I don't know if that's ever been done before, that disciplined.
"They had a very clear strategy, a few calls here or there and the game could have gone the other way."
21 de junio 2018
|Relegated Verona appoint World Cup winner Grosso|
|Trotz named Islanders´ new coach|
|Matic and Serbia ready for ´hellish´ Switzerland clash|
|Fleetwood flounders as Gros takes Pulheim lead|
|No attacks on Neymar, pledges Costa Rica boss Ramirez|
|Giroud return brings structure to France, but again they disappoint|
|Brighton sign Sunderland goalkeeper Steele|
|Schmeichel and Eriksen blast ´exceptionally harsh´ VAR penalty|
|Nigeria´s young World Cup squad learning on the job - Rohr|
|Moody: England players need protection|
|France 1 Peru 0: Mbappe books last-16 spot with record goal|
|I don´t need anyone to hold my hand - Verstappen|
|Captaincy comes back around to Silva as 2014 pain fades|
|We don´t want to be losers - Petkovic|
|Alba not interested in Barcelona exit as Tottenham rumours swirl|
|BREAKING NEWS: Nagelsmann to take RB Leipzig role in 2019|
|Messi cannot be compared to Maradona, claims Argentina World Cup winner Kempes|
|Mbappe sets France record with maiden World Cup strike|
|Federer comes through tough Halle test|
|Nagelsmann to leave Hoffenheim amid RB Leipzig rumours|
|Gerrard brings former Liverpool team-mate Flanagan to Rangers|
|Cipriani to be ´the calmest guy in the room´ on England return|
|C´est magnifique! Lloris earns 100th France cap|
|Belgium v Tunisia: Hazard hoping for World Cup lift off|
|WATCH: Manchester United ditch piano to welcome Fred the red|
|Hamann springs to defence of Ozil|
|Alonso non-committal on future after Le Mans triumph|
|McInally returns to Scotland starting line-up|
|Giroud & Matuidi start as Deschamps drops Dembele for Peru|
|Torreira focused on Uruguay amid Arsenal links|
|NBA Mock Draft 2018: Deandre Ayton leads intriguing first round|
|Tite will not take away Neymar´s ´genius´|
|Australia show promise but calls for Cahill ignored amid lack of cutting edge|
|Manchester United means greatness - Fred aiming for titles following Old Trafford switch|
|Denmark 1 Australia 1: Jedinak strikes back after Eriksen rocket|
|Neymar not being put at risk by Brazil, says Tite|
|Juventus complete signing of free agent Emre Can|
|Fred completes Manchester United switch|
|Dembele will not join a Spurs rival|
|What were the 0.4 per cent doing? Iceland captain marvels at TV audience|
|Forsberg ready for ´next big step´ after RB Leipzig|
|´Retired´ Brits on bench as Springboks ring changes for final Test|
|Meninga: Key Kangaroos positions up for grabs in Origin|
|FIFA gets shirty over Ronaldo claims|
|Soyuncu keen on Arsenal switch|
|Atmosphere much better after criticism, says Hummels|
|FIFA issues statement after ´questionable´ Amrabat decision|
|Cipriani and Robshaw to start for England at Newlands|
|Team Sky hit back at Hinault´s ´irresponsible´ Froome comments|
|Iran fans are the real winners as women get glimpse of the future|
|Beckham predicts England-Argentina World Cup final|
|Napoli should sign Meret, Zenga claims|
|Meticulous Mouratoglou shaping stars of the future|
|Journalist hands Khedira boarding pass for early flight home|
|Germany v Sweden: Muller upbeat ahead of huge World Cup clash|
|South Korea v Mexico: Germany´s conquerors set for role reversal|
|Chandimal appeals against one-match ban|
|Fofana and Lamerat start, Parra skipper for final All Blacks Test|
|Asia and Africa being left behind - Queiroz|
|Emre Can arrives for Juventus medical|
|Championship fixtures: Bielsa´s Leeds face Stoke while Lampard´s Derby go to Reading|
|Tui handed first Wallabies start, five changes for Ireland|
|Sorensen: Denmark need to ´muscle up´ against Australia|
|Nolan Arenado helps Rockies power past Mets|
|Pavon set to be unleashed as Sampaoli plots Messi masterplan|
|Pique welcomes discussion with Barca hierarchy|
|Ramos hits back at Maradona|
|Spieth praises U.S. Open champion Koepka|
|Loftus-Cheek will consider Chelsea future|
|Jorginho deal not done yet - City|