Both the Cadets and the Cavaliers scored 90.00 in separate contests last night, foreshadowing a big showdown this Saturday in San Antonio, Texas, at the DCI Southwestern contest when the two corps will meet again at the Alamodome.The Cadets, performing in Murray, Ky., at the Drums Between the Rivers show, came up ahead of the Phantom Regiment (84.85) the Glassmen (84.05), Spirit (77.20), Colts (76.55), Carolina Crown (76.20) and Southwind (69.60).Meanwhile, in Alton, Ill., at the Alton Drum and Brass Review, the Cavaliers topped the Boston Crusaders (84.30), Crossmen (83.90) and Bluecoats (82.30). In Division II action in Alton, the Magic of Orlando scored 84.50.Tickets for the Southwestern Championships are still available at the local Ticketmaster at 210-224-9600 and will be available on the day of the show at the stadium box office beginning at 10:00 A.M. Plenty of good seats are available! Shows begin at 1 p.m. and 7:30 p.m.