(CNN) German football team FC Chemnitzer said it has sacked captain Daniel Frahn for displaying sympathy toward neo-Nazis during a league match.

Frahn, who joined the third-tier side in 2016, was unable to play Saturday's game against Hallescher due to injury but chose instead to watch the match from the stands.

He was seated with a group of far-right fans and, according to the club, was clearly seen to display sympathy for the supporters -- a move that "caused great damage to the club."

Striker and captain Frahn, who previously played for top-tier side RB Leipzig, had earlier this year been fined for paying tribute to far-right activist and renowned club hooligan, the late Tommy Haller. After scoring a goal, he celebrated by holding up a black T-shirt that read "support your local hools [hooligans]".

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