Complex sentence: Robert Lee Nelson (born June 30,1953 in Stillwater, Minnesota) is a retired American football linebacker in the NFL for the Buffalo Bills, San Francisco 49ers, and the Oakland/Los Angeles Raiders.
Split into simpler sentences: Robert Lee Nelson (born June 30,1953 in Stillwater, Minnesota) is a retired American football linebacker in the National Football League. He played for the Buffalo Bills, the San Francisco 49ers, and the Oakland/Los Angeles Raiders.