Maresca acknowledged that working with young players often comes with concerns about their confidence and ego, but he is pleased with Estevao's humility and willingness to improve.
"Estevao is a very humble and polite player who wants to work hard," Maresca said.
"He has a great family that supports him, and I appreciate his simple and down-to-earth personality."
Maresca also praised Estevao's exciting playing style, saying it's a joy to watch him play and that fans pay to see players like him and Cole Palmer.
"I work with them every day and know their potential, but I also know that they will face challenges and setbacks," Maresca said.
"However, I'm pleased that they are eager to learn and improve, and that's a positive aspect of their development."