Lionel Messi became so frustrated at Barcelona that he sought to leave the club last year, and Xavi is astonished it reached such a point.
Joachim Low is to bring an end to his 15-year spell as Germany boss later this year and Xavi has tipped him to take charge of Barcelona.
Tottenham striker Harry Kane is reportedly among Real Madrid's targets.
After matching Xavi's haul of Barcelona appearances, Lionel Messi set the new record when he started against Real Sociedad on Sunday.
Xavi held Barcelona's appearance record until Argentine maestro Lionel Messi matched his total in the LaLiga win over Huesca.
Lionel Messi has made further history for Barcelona, equalling club great Xavi for games played for the Catalans.
Ronald Koeman said it proves how valuable Lionel Messi has been that he is set to equal Xavi's appearance record at Camp Nou.
Xavi won eight league titles with Barcelona and another as a player with Al Sadd, and now the Spaniard has his first such honour as a coach.
Luis Enrique's close links to Barcelona means he remains a member at Camp Nou, and he voted for his preferred choice of president on Sunday.
Lionel Messi's future remains unclear, but a member of Victor Font's team believes signing Sergio Aguero would help Barcelona.