From the BDC... Fans won't hear the familiar voice of longtime CU stadium announcer Alan Cass this week. Cass, who has been the announcer since 1981 and has seen 155 straight games, will miss this week's contest as he recovers from pneumonia. Cass also has served as the Denver Broncos stadium announcer for years and had done 256 straight Denver games prior to this preseason. KOA radio's Alan Roach will fill in for Cass. Roach was the long-time Colorado Rockies stadium announcer until this season.