Those who submit STAFF changes, please provide an official source that shows the transfer/release. Transfermarkt isn't always trustworthy when it comes to staff.
84159755 · Plays for Winterthur, on loan from Young Boys
Marvin Keller is a 21 year old professional footballer from Switzerland playing as GK.
He is currently contracted to Berner Sport Club Young Boys until 30-Jun-2024 earning £5K per week, on loan to Fussballclub Winterthur .
Potential: Can Still Improve