Jon Sillero is a 28-year-old professional football player from ESP. He currently plays for Arenas Club de Getxo, wearing the number 21 shirt. He plays primarily as a Defender. His preferred foot is Right. His current market value is estimated at 200K €.

His most recent move was a from Free player to Arenas Club de Getxo on 2024-01-03.

Throughout the Primera Federación 2025-2026, Jon Sillero featured in 25 matches, averaging 0.1 tackles, 0.1 interceptions, and 0.4 clearances per game, while blocking 0 shots per game.