Gundogan was Pep Guardiola's first recruit when he took over the reins at City in 2016 despite the German being sidelined with a knee injury when he was signed from Borussia Dortmund.
When asked about Barcelona's youth and talent in midfield especially, Gundogan said he had a lot to offer the team with his experience.
City winger Riyad Mahrez and defender Aymeric Laporte previously tested positive for the novel coronavirus earlier this month.
The former Borussia Dortmund player was substituted as a precaution early in the second half of the 3-2 defeat at Brighton & Hove Albion in the Premier League on May 18.
Images from the Euro 2024 Group A match between Germany and Hungary at Stuttgart Arena, Stuttgart, Germany, on Wednesday.
Liverpool's Slot not nervous ahead of Anfield debut
Barcelona have won the Champions League five times, most recently in 2015, and face a tough task to get back to the top table of European football after being forced to sell club legend Lionel Messi due to financial problems.
Ilkay Gundogan scored two goals as Manchester City comfortably dispatched Emirati club Al-Ain 6-0 on Sunday to ease into the knockout stage of the Club World Cup from Group G along with Juventus.
Barcelona to sign Gundogan on free transfer from Man City
Fresh off a dominant title-winning campaign, Liverpool kick off the new Premier League season on Friday as the team to beat, as the Reds have transitioned from Juergen Klopp's high-octane chaos to a more measured possession-based style under Arne Slot.
Images from the Euro 2024 Group A match between Germany and Scotland at the Munich Football Arena, in Munich, on Friday.
Joshua Kimmich named new Germany captain after Gundogan's retirement, the national team's coach Julian Nagelsmann announced on Monday.
Germany coach Julian Nagelsmann made two changes to his line-up with Jonathan Tah and Emre Can coming in to the team to face an unchanged Spain in their Euro 2024 quarter-final clash on Friday.
Manuel Neuer announced his retirement from internationals on Wednesday after playing 124 times for his country since 2009.
Manchester City gave Kevin De Bruyne a victory in his final appearance at Etihad Stadium, as Omar Marmoush scored a stunner in a 3-1 Premier League win over Bournemouth on Tuesday that saw them climb to third in the table.
Manchester City and Chelsea both secured their Champions League places with victories on the final day of the English Premier League season and Newcastle United joined them despite stumbling to a last-day defeat.
Manchester City celebrated their fourth Premier League title in five years in spectacular style on Monday as fans thronged the streets of the city to party with their heroes for the first time since the COVID-19 pandemic.
Barcelona won 3-1 at Alaves in La Liga on Saturday thanks to goals by Robert Lewandowski, Ilkay Gundogan and substitute Victor Roque, who was sent off after picking up a second yellow card.
A round-up of Saturday's action in the Premier League.
IMAGES from the Champions League matches played on Tuesday.
Here is a look at the clubs most likely to give City a run for their money next season.
Borussia Dortmund needed a fortunate last-gasp goal in extra-time by substitute Ilkay Gundogan to edge past second division Greuther Fuerth 1-0 and reach the German Cup final on Tuesday.
Some lament the FA Cup having lost much of its romance in recent years, in the face of obsession with the Premier League, but this tie had it in bucket loads.
Real Madrid coach Carlo Ancelotti is looking for a big improvement from his side when they play their first home game of the LaLiga season, against Valladolid on Sunday, with Kylian Mbappe making his Santiago Bernabeu debut
Inter Milan escaped Etihad Stadium with a surprise 0-0 draw against Manchester City in the Champions League on Wednesday.
Champions Manchester City could only muster a 2-2 Premier League draw with Brighton & Hove Albion on Saturday.
Barcelona reached the Champions League quarter-finals for the first time in four years
Man City set to release skipper Gundogan and Mendy
Manchester City inched closer to their treble as they downed Manchester United in the FA Cup final on Saturday.
Alexander Isak's early headed goal lifted Newcastle to a 1-0 victory over Arsenal on Saturday at St. James' Park, as Eddie Howe's men delivered a blow to Arsenal's title chase with their first win in six Premier League outings.
"Everything will not be complete if we don't win the Champions League now. We have done some incredible seasons."
Players were in tears after Rodri's emphatic second-half goal against Inter Milan in the final secured a 1-0 victory
Images from the Euro 2024 Group A match between Switzerland and Germany, in Frankfurt, on Sunday.
Xavi furious at referee as Barcelona knocked out by PSG
Chelsea's American forward Christian Pulisic scored his first Premier League goals for the club with a hat-trick and Willian added another in an entertaining 4-2 win at Burnley.
The goal was checked by VAR and allowed to stand as Liverpool went on to clinch the victory and move nine points clear of City in the Premier League title race.
A round-up of Saturday's action in the Premier League.
Girona reclaimed top spot in LaLiga after beating champions Barcelona 4-2
Thunderstorm could not dampen the rousing victory parade as Manchester City celebrated completing the long-awaited treble.
Robert Lewandowski's brace earned depleted Barcelona a 2-1 comeback win at Valencia