May 13 (UPI) -- The NFL announced six of seven matchups for their 2025 international series on Tuesday, including back-to-back road games for the Minnesota Vikings . The Los Angeles Chargers will host a yet to be announced opponent on Sept. 5 in Sao Paulo, Brazil, to start the international slate. Their opponent for the Week 1 matchup will be announced Wednesday. All of the announced international meetings will air on NFL Network. The Vikings will become the first NFL team to play in back-to-