You realize USC will be against playing in MB or Charleston, as they would be the Saturday host, they want the Friday or Sunday games at home. I say lets do away with 3 games at 3 different places. Instead do the following:
2019 - Charleston - all 3 games
2020 - USC - all 3 games
2021 - Clemson - all 3 games
2022 - MB - all 3 games
2023 - USC - all 3 games
2024 - Clemson - all 3 games
2025 - Greenville - all 3 games
2019 - Charleston - all 3 games
2020 - USC - all 3 games
2021 - Clemson - all 3 games
2022 - MB - all 3 games
2023 - USC - all 3 games
2024 - Clemson - all 3 games
2025 - Greenville - all 3 games