Ghanaian defender
The former Augsburg left-back completed a loan transfer move from English Premier League side Chelsea back to Germany.
Baba Rahman joined his new Bundesliga club on their pre-season tour of Austria and took part in their first training session in Mitterstill.
The Schalke 04 players signed autographs after the training session with fans trooping in to see their team and have a glimpse of their new full-back.