The club confirmed on their website that Victor Munoz had taken a "step back" following a 4-0 defeat at FC Thun.
Gattuso's first match in charge comes in the form of a Swiss Cup quarter-final trip to Lausanne.

Former AC Milan and Rangers midfielder Rino Gattuso has moved into management after being appointed player-coach of Swiss club FC Sion.
The club confirmed on their website that Victor Munoz had taken a "step back" following a 4-0 defeat at FC Thun.
Gattuso's first match in charge comes in the form of a Swiss Cup quarter-final trip to Lausanne.
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