He plays primarily as a Defender. He stands at 175cm tall and weighs 73kg. His preferred foot is Right. His current market value is estimated at 150K €.

Throughout the Spanish Segunda División RFEF 2025-2026, Borja San Emeterio Díaz featured in 17 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.