Complex sentence: It's the story of Peter Friedman and the year after he injures his elbow so badly that he will never be able to really pitch on his baseball team again, the same year that his grandfather attains Alzheimer's disease.
Split into simpler sentences: It's the story of Peter Friedman and the year after he injures his elbow that he will never be able to really pitch on his baseball team again. Is is also the same year that his grandfather attains Alzheimer's disease.