Complex sentence: After 90 minutes an unstoppable Borussia had wiped them off 7--1, but, during the course of the match Inter's Roberto Boninsegna was allegedly hit by an empty soft drink can and had himself spectacularly stretchered off.
Split into simpler sentences: After 90 minutes an unstoppable Borussia had wiped them off 7--1! But, during the course of the match Inter's Roberto Boninsegna was allegedly hit by an empty soft drink can and had himself spectacularly stretchered off.