Thirteen drum corps performed in the Alamodome this afternoon during the first half of the DCI Southwestern Championship. The Blue Knights (83.225) placed first in the competition followed by the Blue Stars (81.975), Glassmen (81.625) and Crossmen (79.350). These four corps will advance to the evening portion of today's event where they will compete against the top eight corps that were determined by the results of last weekend's shows in Orlando and Denver. Also performing this afternoon were the Madison Scouts (78.925), Colts (78.800), Spirit (77.600), Troopers (76.425), Pacific Crest (75.150), The Academy (74.725), Mandarins (74.650) and Pioneer (69.125). Hometown corps Revolution (73.300) was this afternoon's sole representative of the Open Class. Tonight's performance order including the four advancing corps: 1. Crossmen – 7:00 p.m. 2. Glassmen – 7:17 p.m. 3. Blue Stars – 7:34 p.m. 4. Blue Knights – 7:51 p.m. 5. Boston Crusaders – 8:08 p.m. 6. Bluecoats – 8:25 p.m. Intermission 7. The Cadets – 8:59 p.m. 8. Santa Clara Vanguard – 9:16 p.m. 9. Phantom Regiment – 9:33 p.m. 10. Blue Devils – 9:50 p.m. 11. The Cavaliers – 10:07 p.m. 12. Carolina Crown – 10:24 p.m. Times subject to change Fans can catch all of this evening's competition right as it happens from the Alamodome during a Live Webcast presented through the DCI Fan Network. The Webcast is available to all Fan Network subscribers or those who purchase a pay-per-view pass. Learn more about the San Antonio Live Webcast. View a complete recap of afternoon scores from San Antonio.