The 18-year-old French striker started Saturday’s game at the Allianz Arena but missed several chances for Bayern and was replaced after 64 minutes by newly-signed England striker Harry Kane in their 3-0 defeat.
The offensive remarks were later posted on Instagram but have since been removed.
“Anyone who writes such disgustingly racist things is no fan of FC Bayern,” the club said on X, formerly known as Twitter. “Mathys, we have your back and you have our full support.”
During the match, the G...