Watch Sweetwater (2023) HD Full Movie Free on SolarMovie. Watch Sweetwater (2023) online free. Hall of Famer, Nat 'Sweetwater' Clifton, makes history as the first African American to sign an NBA ...Hall of Famer, Nat 'Sweetwater' Clifton, makes history as the first African American to sign an NBA contract, forever changing how the game of basketball is played.