Complex sentence: Takamiyama also had an exceptionally long active top divsion career, and still holds the record for having competed in the most tournaments as a Makuuchi wrestler, at 97, and he also holds a number of other longevity related records.
Split into simpler sentences: Takamiyama also had an exceptionally long active top divsion career, and still holds the record for having competed in the most tournaments as a Makuuchi wrestler, at 97. He also holds a number of other longevity related records.