Under the current scenario, two factors could work in favour of Manchester City. First, The English side's current manager Pep Guardiola is a mentor figure to Messi, who had a highly successful stint with Barcelona in the early years of this decade. Pep's Barca was considered one of the best teams in the history of the game and Messi was a crucial part of all the golden-run that lasted four years. (Photo | AP)