Premier League giants Manchester City are reportedly keen on signing Croatian centre-back Josko Gvardiol from RB Leipzig this summer.Gvardiol has emerged as one of Europe's hottest centre-back prospects in recent years following his impeccable performances for both club and country.The 21-year-old has been a rock at the heart of RB Leipzig's defense that conceded only 41 league goals during the 2022-23 Bundesliga campaign. Gvardiol also grabbed headlines for his performances with Croatia during the 2022 FIFA World Cup in Qatar.2022-23 treble winners Manchester City are keen on signing the left-footed centre-back. According to transfer expert Fabrizio Romano, Pep Guardiola's side have already held talks with the player, who is keen on making the switch to the Etihad. Fabrizio Romano@FabrizioRomanoManchester City consider Josko Gvardiol a top target as Mateo Kovacic — he’s in the list since last year, talks already took place. Player, keen on the move. #MCFCLeipzig will only sell Gvardiol for huge fee as most expensive centre back ever. shorturl.at/iCOX7319312375Manchester City consider Josko Gvardiol a top target as Mateo Kovacic — he’s in the list since last year, talks already took place. Player, keen on the move. 🚨🔵 #MCFCLeipzig will only sell Gvardiol for huge fee as most expensive centre back ever.🎥 shorturl.at/iCOX7 https://t.co/I7E4B3KKTuHowever, the Cityzens will have to meet RB Leipzig's valuation of the defender, whom they are determined to sell for a world-record transfer fee. The Croatian defender signed for Leipzig from Dinamo Zagreb in the summer of 2020 for a transfer fee in the region of €18.8 million.Following a handful of impressive displays for RB Leipzig, Gvardiol has seen his value skyrocket. He is now reportedly poised to become the world's most-expensive centre-back in history amid transfer interest from Manchester City.Gvardiol made 41 appearances for RB Leipzig during the recently concluded 2022-23 season. He scored three goals and helped his team record 14 clean-sheets in those matches.What are Josko Gvardiol's chances of starting at Manchester City?Amid reports linking Gvardiol with a move to the Etihad Stadium this summer, here's a look at his chances of getting regular minutes at City.The Cityzens already possess a stacked squad with some of the best defenders in their team. As such, the likely addition of Gvardiol could provide a serious selection headache for Pep Guardiola.The Croatian defender will have to contend with the likes of Ruben Dias, Aymeric Laporte, Nathan Ake, Manuel Akanji, and John Stones for a place in Manchester City's defense.Pulse Sports Nigeria@PulseSportsNG Manchester City's defense if they complete the signing of Josko Gvardiol from RB Leipzig: Ruben Dias Aymeric Laporte Manuel Akanji🏴󠁧󠁢󠁥󠁮󠁧󠁿 John Stones Nathan Ake Josko Gvardiol*Pep Guardiola doesn't plan on slowing down after winning the treble #PulseSports1378🔵 Manchester City's defense if they complete the signing of Josko Gvardiol from RB Leipzig:🇵🇹 Ruben Dias🇪🇸 Aymeric Laporte🇨🇭 Manuel Akanji🏴󠁧󠁢󠁥󠁮󠁧󠁿 John Stones🇳🇱 Nathan Ake🇭🇷 Josko Gvardiol*Pep Guardiola doesn't plan on slowing down after winning the treble 😤#PulseSports https://t.co/RO9cBqJ4pYGvardiol usually operates as a left-sided centre-back, a position that is usually occupied by either Ake or Laporte.However, Gvardiol's versatility could be a huge asset for Guardiola in terms of how he uses the Croatian. The 21-year-old can also operate as a left-back should he fail to nail a spot in central defense.