The Argentine is reportedly disgruntled at Barcelona after the club went a season without a trophy for first time since 2007/08.
ESPN says City understand a deal for Messi would be complicated but want to organise their finances should an opportunity arise.
Barca are sticking with their demand that clubs meet Messi’s release clause of €700m.
However, it is believed there are some members of the Barca board who believe they could use the money from Messi’s sale to reinvest in a team that clearly needs rebuilding.
Messi has spent his entire career at Barcelona and just the mention of his possible exit from the club has sent shock waves around the footballing world. -Tribalfootball