Complex sentence: Mark Fields (born November 9,1972 in Los Angeles, California) is an American football linebacker who for the Carolina Panthers, St. Louis Rams, and New Orleans Saints of the NFL.
Split into simpler sentences: Mark Fields (born November 9,1972 in Los Angeles, California) is an American football linebacker who plays for the Carolina Panthers. He had previously played for the St. Louis Rams, and New Orleans Saints of the NFL.