Arsenal boss Arsene Wenger believes David Ospina will not be daunted by taking on Wojciech Szczesny.
The Frenchman argues this is because the Colombia goalkeeper has been in an even more high-pressure scenario before, and seized the opportunity.
He says this dates back to when he first played for Nice, and had the daunting task of replacing Hugo Lloris, who had just departed for Lyon.
Lloris currently plays for Tottenham Hotspur, and before departing Nice, had led them to their highest Ligue 1 finish in 17 years.
Wenger told Arsenal.com: "I've known him for a long time because he played for Nice and he went there a few years ago and slowly became a very important player for them.
"Hugo Lloris played for Nice before he moved to Lyon and after he moved they played Ospina. He had a big impact straight away and Lloris was not an easy player to replace."
Ospina arrived there a title winner with Colombian side Atletico Nacional, his winners' mentality clearly will have helped him from a confidence perspective.
The 25-year-old will be feeling just as buoyant after his World Cup exploits, and hope to win the number one jersey from it's current Polish holder.
Ospina and Lloris have gone head-to-head before during the seasons the Frenchman spent with Lyon, and will renew acquaintances this coming season when Tottenham and Arsenal clash.
All the signs are for Wojciech Szczesny that his starting place is under real threat. He lost it a couple of seasons back to Lukasz Fabianski briefly, but if he does so again this time - he may find it much harder to win back.
Is Ospina potentially better than Szczesny?