He currently plays for Birmingham Legion, wearing the number 5 shirt. He plays primarily as a Defender. His preferred foot is Left. His current market value is estimated at 50K €.

His most recent move was a from Birmingham Legion to Richmond Kickers on 2025-12-09.

Throughout the USL Championship 2025, ethan kos featured in 8 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.