The 30-year old defensive-midfielder has been signed after his short stint with Spanish Club UE Llagostera. Marcos started his career as a Real Madrid player and is a product of the club's academy in Madrid. He has also played for English championship side Brentford.
He appeared 94 times for the B-Team and made one appearance for the senior team against CA Osasuna.
"I'm very excited about this new stage in my career. I am looking forward to play for the Delhi Dynamos FC. I am sure the ISL will be an enriching experience for me and I hope to take the maximum from it. My aim is to win the title this season with my new club," said Marcos.
"I intend to learn a lot from Coach Zambrotta. He's got immense experience, I am looking forward to working with him and the rest of the team," Marcos stated.
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