Former Liverpool defender Jose Enrique has hilariously played down talk of coming out of retirement.Asked by a Reds fan on Twitter whether he could come out of retirement and play as a midfielder for Jurgen Klopp's side, Enrique replied:"I wish mate but I'm too fat now."Enrique retired from professional football in 2017 having played for the likes of the Reds, Newcastle United and Villarreal.José enrique@Jesanchez3I wish mate but I'm to fat now twitter.com/LFCIshan/statu…Ishan@LFCIshan@Jesanchez3 Can u come out of retirement and play CM26510@Jesanchez3 Can u come out of retirement and play CMI wish mate but I'm to fat now 😂 twitter.com/LFCIshan/statu…Liverpool in injury crisisLiverpool are currently undergoing issues in the middle of the park.Thiago Alcantara suffered a hamstring injury in their season-opening 2-2 draw with Fulham on August 6. The Spaniard joins midfielders Alex Oxlade Chamberlain, Naby Keita and Curtis Jones on the sidelines. It has led to speculation that the Reds may need a new midfielder in their ranks.However, Klopp has moved to dismiss the notion of a midfielder being signed in the current transfer window, saying:"I know what will now come up, it’s clear. We said we don’t need a midfielder because we have enough – and we actually have enough. But the problem now is we get punished for something that is not our responsibility really because things like this can happen."Liverpool could move for Sporting CP midfielder Matheus NunesThe Portuguese midfielder is admiredAccording to transfer expert Fabrizio Romano, the Reds will only move for a midfielder if an opportunity presents itself.One midfielder who has been linked with a move to Anfield is Sporting CP's Nunes.The young Portuguese star has impressed for Ruben Amorim's side, making 50 appearances last season and scoring four goals whilst contributing five assists.Romano has stated on a potential move for Nunes (via the aforementioned report):“Klopp and Liverpool will consider a new midfielder if there is an opportunity on the market. I believe that Sporting Lisbon’s Matheus Nunes is a very interesting player who could be a good fit for this team, but we need to see the amount that the club will be prepared to invest."Lewis 🌊@LewYNWAThere’s so many reasons as to why Matheus Nunes makes so much sense. 23 years old, long term signing, quick, press resistant, good vision, confident, high work rate, strong on the ball, good first touch and great injury record. Exactly what we need.146976There’s so many reasons as to why Matheus Nunes makes so much sense. 23 years old, long term signing, quick, press resistant, good vision, confident, high work rate, strong on the ball, good first touch and great injury record. Exactly what we need. https://t.co/3j6EYPmBKGNunes has four years left to run on his deal with Sporting and could cost around £31.5 million (as per Transfermarkt).The Reds next face Crystal Palace on August 15 looking to get their first win of the Premier League season.