Final answer:
Gil Perreault was the center for the 'French Connection Line' with Rick Martin and himself as wingmen, making the Sabres line iconic in the 1970s NHL.
Step-by-step explanation:
The player who centered the famed "French Connection Line" for the Sabres, with linemates Rick Martin and Gil Perreault, was none other than Gil Perreault himself. Renowned for their skill and chemistry on the ice, this line was one of the most prolific in the history of the National Hockey League (NHL) during the 1970s. The French Connection Line was instrumental in leading the Sabres to success, and Gil Perreault, known for his speed and playmaking ability, was a key component of that line.