Frederik Rudolph Muts (born 10 April 1956) is a former motorcycle speedway rider from the Netherlands.
[4] Muts came to prominence after reaching the final of the Speedway Under-21 World Championship in 1977.
[8] He represented the Netherlands national team for six editions of the World Cup from 1977 to 1982.
He also rode for the Netherlands in the Speedway World Pairs Championship.
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