Complex sentence: He was also the favorite to win the World Championships, but surprisingly came in second to Hugh Cassidy, who totaled 2160 pounds as well, but being lighter got the victory for having the lower bodyweight.
Split into simpler sentences: He was also the favorite to win the World Championships, but surprisingly came in second to Hugh Cassidy, who totaled 2160 pounds as well. Cassidy being lighter got the victory for having the lower bodyweight.