Brazil-born Nunes, 26, joined Premier League champions Manchester City from Wolverhampton Wanderers last season.
Cristiano Ronaldo is set to participate in his sixth World Cup at the age of 41, as announced by Portugal coach Roberto Martinez.
Manchester City's Matheus Nunes scored deep in injury time to salvage a crucial 2-1 Premier League victory over Aston Villa on Tuesday in their breathless chase for a Champions League berth next season.
Portugal's latest bid for World Cup glory begins in Houston on Wednesday when they take on the Democratic Republic of Congo in a Group K clash.
Manchester City defeated Chelsea 1-0 in the FA Cup final, with Antoine Semenyo's 72nd-minute goal securing the victory and completing an English cup double.
Manchester City re-asserted themselves as trophy winners supreme as they gave Arsenal a chastening reality check with a 2-0 victory in the League Cup final.
Manchester United bolstered their squad with a flurry of transfer deadline day signings, Manchester City and Liverpool also splashed out while ambitious Brighton & Hove Albion sealed an audacious loan deal for Barcelona's Ansu Fati on Friday.
Manchester City maintained their squeeze on Arsenal at the top of the Premier League with a 3-0 victory at Crystal Palace on Sunday, a result that keeps Pep Guardiola's side lurking two points behind the leaders and ready to pounce.
Man City snatch chaotic 2-1 win at Liverpool to stay on Arsenal's heels
Goals from Omar Marmoush and Antoine Semenyo powered Manchester City to a muchneeded 20 home win over Wolverhampton Wanderers on Saturday, lifting Pep Guardiola's men provisionally to within four points of leaders Arsenal in the Premier League title race.
The official 26-man squads for FIFA World Cup 2026.
Manchester City secured top spot in Group G of the Club World Cup with a 5-2 thrashing of Juventus on Thursday, exposing the Serie A side's defensive frailties in emphatic fashion.
Liverpool secured a dominant win over West Ham, while other Premier League matches saw Brentford edge Burnley in a seven-goal thriller and Everton secure a late victory against Newcastle.
Manchester City, Chelsea and Arsenal progressed to the FA Cup quarter-finals after victories over Newcastle United, Wrexham and Mansfield Town respectively on Saturday.
Newcastle United's clash with AFC Wimbledon was postponed after flooding damaged the Wimbledon pitch on Monday.
Midfielder Phil Foden delivered in dramatic fashion, scoring in the first and 91st minutes, to seal Manchester City's 3-2 victory over Leeds United.
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.
Man City ease to 3-0 win over Liverpool as Guardiola celebrates 1,000th game in style
City's current streak, which leaves the champions seventh in the standings and 12 points off leaders Liverpool, coincides with Haaland scoring just twice
Liverpool's Dominik Szoboszlai struck the first telling blow in the Premier League title race with a dazzling free kick late on giving his side a 1-0 victory over rivals Arsenal.
Erling Haaland scored with a flying back-heeled volley out of the air -- that had social media in a frenzy and left his teammates in awe.
A round-up of Saturday's action in the Premier League.
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.
Sporting marked the final home game of coach Ruben Amorim's reign in stunning fashion as Viktor Gyokeres' hat-trick saw them come from behind to thrash Manchester City 4-1 and maintain their superb start to the Champions League on Tuesday.
A round-up of Saturday's action in the English Premier League.
Champions Manchester City crashed out of the League Cup after suffering a shock 2-0 defeat at struggling Southampton in the quarter-finals on Wednesday.
Manchester City have now won only once in 11 games in all competitions.
IMAGES from the UEFA Champions League matches played on Wednesday.
Images from the English Premier League matches played on Saturday.
A summary of Saturday's action in the English Premier League.
Manchester City squandered a three-goal lead to draw 3-3 with Feyenoord in the Champions League on Tuesday.
IMAGES from the English Premier League matches played on Saturday.
A summary of Saturday's action in the Premier League.
A summary of Saturday's action in the Premier League.
Images from the English Premier League matches played on Saturday night.
Roundup of Champions League matches played on Wednesday night
IMAGES from the English Premier League matches played on Saturday
Images from the UEFA Champions League matches played on Tuesday night.
Quaison fires Sweden to extra-time World Cup playoff win over Czechs
IMAGES from the EPL matches played on Saturday