Alves is attracting interest from Guardiola's side and Premier League winners Chelsea.
Traore left PSG in August 2016 and spent the last term with amateur side Sarcelles.
Alves expected to sign two-year deal with City once his exit from Juventus is finalised.
Juventus are ready to offer Sandro an improved deal to continue with the Old Lady.
End of Spaniard's five-year spell in Turin was announced by the Bianconeri earlier on Friday.
Darmian made just 18 appearances in the Premier League last season.
Brazil's Globo Esporte reports the 23-year-old defender has been the subject of three bids.
Juve director general Beppe Marotta says the player can decide his next move.
Blues remain interested in signing Alex Sandro and Leonardo Bonucci.
Alves impressed during his one season at Juventus, winning the league and Coppa Italia.
United willing to sell Darmian if a club pays their asking price of £18m.
Conte is keen to bring in an experienced replacement for John Terry.
Governing body to open disciplinary proceedings against Juventus.
Buffon has indicated that he will retire after one more season with Juventus.
Blues target Bonucci after being put off by Southampton's asking price for Virgil van Dijk.
The Argentine forward has reservations over Juventus' ageing squad.
Blues also monitoring Roma's Antonio Rudiger, according to reports.
Roma president James Pallotta says the goalkeeper has told him he wants to stay.
Giroud has been subject to interest from Ligue club Marseille.
Real Madrid's record scorer scores twice to help defeat Juventus to claim another winners medal.
Manchester City complete trio of Premier League clubs previously unsuccessful in moves for Italian stalwart.
Real Madrid bidding to become first team in history to retain Champions League title.