Chelsea centre-back Andreas Christensen is one of the best defenders in the world at the moment. That's according to Brentford manager Thomas Frank, who showered praise on the 25-year-old during an interview with Danish outlet Bold.The tactican was quoted as saying:"At the moment, he [Christensen] is one of the best defenders in the world.Zu ⭐️⭐️@cfc_zuTHOMAS FRANK KNOWS BALL MAN twitter.com/blue_footy/sta…Vince™@Blue_FootyBrentford manager Thomas Frank: "Christensen is one of the best defenders in the world at the moment. He has always been enormously intelligent on the pitch, meaning very quick to anticipate all situations offensively and defensively."11:56 AM · Oct 13, 20217302Brentford manager Thomas Frank: "Christensen is one of the best defenders in the world at the moment. He has always been enormously intelligent on the pitch, meaning very quick to anticipate all situations offensively and defensively."THOMAS FRANK KNOWS BALL MAN twitter.com/blue_footy/sta…"He has always been enormously intelligent on the pitch, meaning very quick to anticipate all situations offensively and defensively. He is technically hugely strong for a defender in terms of bringing the ball forward, passing and making good choices."He is also foresighted and fast at the same time, so it’s almost the complete package."Andreas Christensen progressed through the youth ranks at Chelsea and made it into the senior team during the 2015-16 campaign. A string of convincing performances helped the centre-back establish himself at the heart of the Blues' defense.WhoScored.com@WhoScored💪 Andreas Christensen won possession in the defensive third 11 times for Chelsea against Manchester City on Saturday, a record in a Premier League match this season9:26 AM · Sep 26, 20216041656💪 Andreas Christensen won possession in the defensive third 11 times for Chelsea against Manchester City on Saturday, a record in a Premier League match this season https://t.co/VqVuYszBErHe enjoyed a decent spell under the management of Antonio Conte, being a solid presence in the Italian's three-man backline.Christensen's involvement was reduced when Frank Lampard was appointed to take charge of affairs at Stamford Bridge. However, that has changed since Thomas Tuchel landed at the club.The centre-back has made eight appearances for Chelsea under Tuchel's management so far this season. He is one of the most utilized players in the squad, having ammassed a whopping 669 minutes across all competitions.Andreas Christensen close to signing new Chelsea contractThe defender has been a vital figure for Chelsea this seasonAndreas Christensen is already in the final year of his current contract with Chelsea, meaning he could become a free agent at the end of the campaign.According to reports, the defender has no intention of leaving Stamford Bridge anytime soon and is expected to sign a new contract very soon.Chelsea are said to be keen to tie him to a new deal as Thomas Tuchel's believes the centre-back has a lot to give the team. It remains to be seen how things will pan out between the two parties in the coming weeks.Chelsea and Andreas Christensen will return to action this weekend, with a Premier League clash with Brentford coming up next.