 Complete the following phrase:  The last four matchups between the squads have had national championship implications and have greatly intensified the rivalry. The teams squared off in the 2016 College Football Playoff National Championship in Glendale, Arizona, with Alabama emerging with a thrilling 4540 victory. The next year, the teams again found themselves doing battle in the 2017 College Football Playoff National Championship in Tampa, Florida, with Clemson emerging with a thrilling 3531 victory and their first win over the Crimson Tide since 1905. Once again the teams did battle in the 2018 Sugar Bowl in New Orleans, Louisiana with a trip to the 