Complex sentence: When Harry Gilmer was fired as Lions' head coach after the 1966 NFL season, Rymkus was once again out of work, but resurfaced as head coach and general manager of the Akron Vulcans of the Continental Football League.
Split into simpler sentences: When Harry Gilmer was fired as Lions' head coach after the 1966 NFL season, Rymkus was once again out of work. He resurfaced as head coach and general manager of the Akron Vulcans of the Continental Football League.