Complex sentence: Many Redskins fans are upset with Cerrato's running of the front office, claiming that he has ignored offensive and defensive line depth causing the team to fail as the wear and tear of a football season goes on.
Split into simpler sentences: Many Redskins fans are upset with Cerrato's running of the front office. He has ignored offensive and defensive line depth causing the team to fail as the wear and tear of a football season goes on.