Barcelona Rumors: Ronald Koeman Found Barca's Future Superstar – Report KEY POINTS Gonzalez is likely to be promoted to Barcelona first team, another report suggested Manchester City is said to be interested in signing the Spanish teenager One Barcelona B player may have just secured his spot on Ronald Koeman’s squad, a report suggests. Nico Gonzalez has yet to make his first-team debut for Barcelona, having been continuing his development in the team’s B squad. However, Barca manager Koeman already sees the teenager joining the senior team sooner rather than later, according to Spanish outlet La Voz de Galicia.