Leonardo Daniel Ulineia Buta is a Portuguese defender, born on June 5, 2002, who plays as a full-back for Rio Ave in the Primeira Liga. With a market value of €2 million, Buta is regarded as one of the more valuable young defenders in the Portuguese league. At 182 cm tall, he combines physical presence with the technical qualities required of a modern full-back, contributing effectively in both defense and attack. He has established himself as a regular starter for Rio Ave, amassing significant league appearances and demonstrating his crossing ability and defensive reliability. Buta has also represented Portugal at various youth international levels. His career is on a clear upward trajectory, with the potential for a future move to a larger European league as he continues to develop.