Complex sentence: However, all three were located in the South, and only the Orange Bowl was willing to invite the Dons, provided Matson and Burl Toler, the Dons' only black players, were excluded.
Split into simpler sentences: However, all three were located in the South. Only the Orange Bowl was willing to invite the Dons, and then only if Matson and Burl Toler, the Dons' only black players, were excluded.