#3 Manchester City
Manager Guardiola is a 3-time winner of the UEFA Champions League himself as a player and a manager, so it's no surprise that he has looked to fill his squad with players who have experienced success in the competition, with a total of 3 Champions League winners within City's ranks
As soon as he arrived in Manchester, he brought in goalkeeper Claudio Bravo from Barcelona: although the Chilean has struggled greatly since joining, not adapting to English league football at all, he has a Champions League winner's medal despite not starting any games in the 2014/2015 campaign.
City legend Yaya Toure also won the Champions League with Barcelona, back in 2009. He was a vital part of the team's midfield during this season, the starting defensive midfielder behind Xavi and Andres Iniesta.
Lastly, new recruit Danilo helped Real Madrid to success in the competition in the last 2 campaigns. He played 7 times in the 2015/2016 edition, with a reduced role last season when he made only 3 appearances.
While these 3 aren't regular starters for Guardiola this season, it's worthwhile to have Champions League winners on the bench to provide experience if and when needed.