Complex sentence: Ringo was a member of the Packers' NFL Championship teams of 1961 and 1962, but he was traded to the Philadelphia Eagles before the Packers went on to win three more titles from 1965-67.
Split into simpler sentences: Ringo was a member of the Packers' NFL Championship teams of 1961 and 1962. But was traded to the Philadelphia Eagles before the Packers went on to win three more titles from 1965-67.