Menotti feels Guardiola has transformed the club 's players since taking over from Frank Rijkaard and should take the credit for the club 's incredible success in recent years .
Menotti took charge of Barca in the 1980s .
Menotti , who took charge of Barca in the 1980s , feels Guardiola has transformed the club 's players since taking over from Frank Rijkaard and should take the credit for the club 's incredible success in recent years .