Complex sentence: In later years, corresponding with Field's developing interests in acrobatics and gymnastics, they added these elements to their stage shows, including, as Field reported, several world-class athletes such as former trampoline champion Karl Shore in their cast.
Split into simpler sentences: In later years, corresponding with Field's developing interests in acrobatics and gymnastics, they added these elements to their stage shows. They included, as Field reported, several world-class athletes such as former trampoline champion Karl Shore in their cast.