Complex sentence: He is the most successful sidecar competitor at the Isle of Man TT races, achieving 17 TT victories and 30 podium finished, placing him third on the all-time TT wins list, with only Joey Dunlop and John McGuinness taking more victories.
Split into simpler sentences: He is the most successful Sidecar competitor in the history of the Isle of Man TT races, achieving 17 TT victories and 30 podium finishes. He set placing him third on the all-time TT wins list, with only Joey Dunlop and John McGuinness taking more victories.