Antonio Carlos is a Brazilian professional footballer who has played as a central defender and is best known for his time at Sociedade Esportiva Palmeiras.

• Full name: Antonio Carlos Zago (Note: there are multiple Brazilian defenders named Antonio Carlos; confirm which one is intended if you need precise career details)
• Nationality: Brazil
• Position: Centre back
• Notable club: Palmeiras

If you want a detailed career timeline (years at Palmeiras, appearances, goals, other clubs, international caps), please specify which Antonio Carlos you mean (birth year or full name) and I will provide a complete, sourced profile in HTML format.