Complex sentence: A characteristic of all Chuck Knox coached 1970's Rams teams was a quarterback controversy and Harris would split playing time with John Hadl, Ron Jaworski, and Pat Haden in this merry-go-round.
Split into simpler sentences: A characteristic of all Chuck Knox-coached Rams teams in the 1970's was a quarterback controversy. Indeed, Harris would split playing time with John Hadl, Ron Jaworski, and Pat Haden in this merry-go-round.