Paris Saint-Germain (PSG)'s extraordinary transfer window has been well-covered, with the club having signed Lionel Messi, Gianluigi Donnarumma, Georginio Wijnaldum, Sergio Ramos and Achraf Hakimi.
Mauricio Pochettino's team are comfortable favourites to win Ligue 1, having lost the title to Lille by a solitary point last season. They have enjoyed a good start to their 2021-22 league campaign, but sterner tests await.
The club could soon lose star forward Kylian Mbappe, with the Frenchman edging closer to a move to Real Madrid. It remains to be seen if and whether PSG decide to replace him.
On that note, here's a look at PSG's possible line-up for their Ligue 1 game against Reims on Sunday.
Goalkeeper - Gianluigi Donnarumma
Gianluigi Donnarumma was on the bench against Brest, with Costa Rican shot-stopper Keylor Navas starting the game.
Donnarumma and Navas are two of the best goalkeepers in the game, so it will be interesting to see how manager Mauricio Pochettino proceeds with this situation. The younger Donnarumma is a bonafide superstar, having played a pivotal role in Italy's Euro 2020 triumph and receiving the UEFA European Championship Player of the Tournament award.
The 22-year-old has arrived at PSG on a free transfer, and it is very likely the Ligue 1 giants will end this season with Donnarumma as their no.1. Navas deserves better, having been replaced at Real Madrid by Thibaut Courtois despite winning three Champions League trophies in a row. But he looks set to step aside for Donnarumma and assume second fiddle.
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Right-back - Achraf Hakimi
Achraf Hakimi is already an undroppable name, despite joining PSG this summer from Inter Milan for £54 million.
Hakimi is one of the best right-backs in the world, and is an instant upgrade on other options like Thomas Meunier and Alessandro Florenzi. World-class offensively, highly creative and possessing blistering pace, the 22-year-old, who scored on his PSG debut, will provide much-needed quality from the right-hand side.
The former Real Madrid man was reluctantly sold by Inter Milan this summer, as the Nerazzurri sought to mitigate their financial woes. The Morocco international is capable of operating as a left-back and on the wings as well.
Centre-back - Marquinhos
Marquinhos is the captain of PSG, and will likely start against Reims, having been on the bench against Brest.
German centre-back Thilo Kehrer started ahead of Marquinhos in that game, but that may not be the case as the season progresses. Marquinhos is one of the best centre-backs in the world, and when fully fit, he will be one of the first names on the PSG teamsheet.
The Brazil international has been a key reason for PSG's success in recent years, with his composure and physical qualities standing out. The 27-year-old is a guaranteed starter for the club.
Centre-back - Presnel Kimpembe
One of the rare PSG academy graduates to have become a key first-team player, Presnel Kimpembe is in danger of losing his place in the first XI.
Kimpembe was a regular starter for PSG last season, but the arrival of Sergio Ramos from Real Madrid could reduce Kimpembe's game time this campaign. Ramos' injury has given Kimpembe a good chance to establish himself as Marquinhos' ideal partner for the time being, though.
The 26-year-old is a one-club man, so it will be disheartening to see Kimpembe leave the club due to lack of game time. Very few PSG academy stars have made it to the first team, and Kimpembe is now a key player for both club and country.
Left-back - Abdou Diallo
PSG have shown no signs of wanting any other player this window, which means they will have to make do with their left-back options for now.
Juan Bernat is recovering from a long-term injury, while Layvin Kurzawa is reportedly free to leave the club. Centre-back Abdou Diallo started as their left-back against Brest, and he looks set to keep his position for their next league game against Reims as well.
PSG have arguably the best squad in Europe, but it would not be surprising to see the club target a left-back next summer. AC Milan's Theo Hernandez was linked this summer, but a move failed to materialise.
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Defensive Midfielder - Idrissa Gueye
Idrissa Gueye and Danilo Pereira are PSG's defensive midfield options, with Gueye starting and scoring against Brest.
The 31-year0old enjoyed a highly impressive spell with Everton in the Premier League before joining PSG in 2019. Gueye is defensively excellent, and is the ideal player to have in a team brimming with world-class attacking talent.
The Senegal international was linked with a move away from PSG following the arrival of Lionel Messi, as the club sought to reduce their wage bill. However, Pochettino clearly rates the midfielder highly, and his defensive solidity could see him become a key player for PSG this season.
Central Midfielder - Marco Verratti
Marco Verratti is one of the best midfielders in the world, and will likely start every game for PSG if he is fully fit.
Verratti is a complete midfielder, blessed with excellent technical ability as well as a tigrish attitude. The Italy international has been at PSG since 2012, and is now one of the most experienced players in the squad. Verratti's quality was on display at Euro 2020, which the Azzurri won.
The 28-year-old, like Marquinhos, is one of the few players who will likely start on a regular basis for PSG. Verratti was recently praised by Lionel Messi.
Central Midfielder - Georginio Wijnaldum
Another big name arrival, Georginio Wijnaldum joined PSG after his contract with Liverpool expired.
Wijnaldum turned down Barcelona to join the Ligue 1 giants. Pochettino now has an incredible roster of midfielders to choose from, with Wijnaldum, Verratti and Gueye competing with Danilo Pereira, Leandro Paredes, Ander Herrera and Rafinha.
The Netherlands international is regarded by many as a world-class player, who is renowned for his work off the ball. Wijnaldum will provide experience and quality to PSG's midfield.
Attacking Midfielder - Angel Di Maria
To have Angel Di Maria as a potential backup option shows how a strong a roster PSG have.
The potential departure of Kylian Mbappe could see a significant rise in Di Maria's minutes this season. The Argentina international is a world-class forward, well-known for his creativity and dribbling ability, and is a player who often chips in with key goals.
Di Maria scored the winner for Argentina in the Copa America 2021 final, and has been a consistent starter for PSG since joining the club in 2015. If you ignore his lone campaign with Manchester United, Di Maria has had a sparkling career.
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Forward - Lionel Messi
Lionel Messi is expected to make his much-awaited PSG debut against Reims.
The superstar moved to PSG after his contract with Barcelona expired, and there are many who are yet to fully digest this news. Messi is one of the greatest players to have played the game, with PSG acquiring him on a free transfer.
The 34-year-old is one of the best players in the world, and could be a huge success at PSG. Messi's arrival has seen the Parisian club become the favourites to win the 2021-22 Champions League.
Forward - Neymar
With Kylian Mbappe potentially leaving and Mauro Icardi out injured, PSG look set to field a completely different attack against Reims.
Mbappe and Icardi started against Brest, but Neymar and Messi could be given starts against Reims. Neymar enjoys an excellent relationship with Messi. dating back to their successful spell at Barcelona, and the Brazil international played a key role in ensuring Messi signed for PSG.
Neymar, meanwhile, is one of the best players in the world, and one of the very few who can match Messi's talent. The 29-year-old's time with PSG cannot be termed as overwhelmingly successful, but the forward has been a key player for the club.