John Hartson has transfer advice for Brendan Rodgers’ Celtic

AC Milan's defender Alessandro Nesta (R) controls the ball over John Hartson of Celtic during their Champions League football match at Meazza stadium in Milan 29 September 2004.   AFP PHOTO

Brendan Rodgers’s Celtic lost against Paris Saint-Germain in the Champions League on Wednesday.

John Hartson of Celtic tackles Gary Caldwell of Hibernian during the Scottish Premier division match between Celtic and Hibernian at Celtic Park April 16, 2006 in Glasgow, Scotland.

John Hartson suggested on BT Sport 3 on Wednesday evening (9:52pm, November 22, 2017) that Celtic need to sign a defender in order to compete in Europe.

The former Celtic striker made the suggestion following the Hoops’ embarrassing defeat to Paris Saint-Germain away from home in the Champions League on Wednesday evening.

Despite taking an early lead through star striker Moussa Dembele in Paris, Brendan Rodgers’s side went down 7-1 to Unai Emery’s side.

It was one of Celtic’s worst performances in Europe in recent years, as their backline failed to do much against PSG’s attacking prowess.

John Hartson of Celtic gets past Zurab Khizanishvili of Rangers to score during the the Scottish Premier division match between Rangers and Celtic at Ibrox Park on October 4, 2003 in...

Former Celtic striker Hartson was following the match for BT Sport, and he suggested that for the Glasgow giants to compete in Europe, they need a defender.

Hartson said on BT Sport 3 on Wednesday evening (9:52pm, November 22, 2017) during the post-match coverage of PSG against Celtic: “For Brendan to improve Celtic in Europe, he will need a better quality of defender. They have to back him. The board have to back him to do that.”

Manager of Celtic Brendan Rodgers looks on during the Betfred Cup Semi-Final at Hampden Park on October 21, 2017 in Glasgow, Scotland.

Celtic have the strongest squad in Scotland, and they are going to win the Scottish Premiership with ease yet again this season.

However, for the Hoops to make an impact in Europe, they do need to address their issues at the back and have to stop conceding seven goals in a match even against the strongest teams.

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