Original sentence: One of the major problems is the popularity of mass-formations like the flying wedge, in which a large number of offensive players charge as a unit against a similarly arranged defense.The 1894 Harvard-Yale game, known as the "Hampden Park Blood Bath", results in crippling injuries for four players; the contest is suspended until 1897.The annual Army-Navy game is suspended from 1894 till 1898 for similar reasons.The resultant collisions often lead to serious injury and sometimes even death
Edited sentence: One of the major problems was the popularity of mass-formations like the flying wedge, in which a large number of offensive players charged as a unit against a similarly arranged defense.The 1894 Harvard-Yale game, known as the "Hampden Park Blood Bath", resulted in crippling injuries for four players; the contest was suspended until 1897.The annual Army-Navy game was suspended from 1894 till 1898 for similar reasons.The resultant collisions often led to serious injury and sometimes even death