 Complete the following phrase:  After retiring from football, Summerall was hired by CBS Sports in 1962 to work as a color commentator on the networks NFL coverage. CBS initially paired Summerall with Chris Schenkel on Giants games; three years later he shifted to working with Jim Gibbons on Washington Redskins games. In 1968, after CBS abandoned the practice of assigning dedicated announcing crews to particular NFL teams, Summerall ascended to the networks lead national crew, pairing with Jack Buck and then Ray Scott. For the postgame coverage of the very first 